Langer, R. E. A correction to “The boundary problem of an ordinary linear differential system in the complex domain”. (English) JFM 65.0393.02 Trans. Amer. math. Soc. 46, 467 (1939). Reviewer: Kamke, E., Prof. (Tübingen) PDF BibTeX XML Cite \textit{R. E. Langer}, Trans. Am. Math. Soc. 46, 467 (1939; JFM 65.0393.02) Full Text: DOI OpenURL
Langer, R. E. The boundary problem of an ordinary linear differential system in the complex domain. (English) JFM 65.0393.01 Trans. Amer. math. Soc. 46, 151-190 (1939). PDF BibTeX XML Cite \textit{R. E. Langer}, Trans. Am. Math. Soc. 46, 151--190 (1939; JFM 65.0393.01) Full Text: DOI OpenURL
Reid, W. T. Some remarks on linear differential systems. (English) JFM 65.0392.01 Bull. Amer. math. Soc. 45, 414-419 (1939). Reviewer: Hammerstein, A., Prof. (Kiel) PDF BibTeX XML Cite \textit{W. T. Reid}, Bull. Am. Math. Soc. 45, 414--419 (1939; JFM 65.0392.01) Full Text: DOI OpenURL
Collatz, L. Genäherte Berechnung von Eigenwerten. I, II. (German) JFM 65.0391.01 Z. angew. Math. Mech. 19, 224-249, 297-318 (1939). Reviewer: Willers, F., Prof. (Dresden) PDF BibTeX XML Cite \textit{L. Collatz}, Z. Angew. Math. Mech. 19, 224--249, 297--318 (1939; JFM 65.0391.01) Full Text: DOI OpenURL
MacDonald, J. K. L. On bounds for parameters in \(n\)-noded solutions of Sturm-Liouville equations. (English) JFM 65.0390.03 Bull. Amer. math. Soc. 45, 164-171 (1939). Reviewer: Kamke, E., Prof. (Tübingen) PDF BibTeX XML Cite \textit{J. K. L. MacDonald}, Bull. Am. Math. Soc. 45, 164--171 (1939; JFM 65.0390.03) Full Text: DOI OpenURL
Viola, T. Dimostrazione della convergenza di un procedimento di M. Picone per il calcolo degli autovalori. (Italian) JFM 65.0390.02 Atti Accad. naz. Lincei, Rend., Cl. Sci. fis. mat. natur. (6) 29, 180-185 (1939). Reviewer: Collatz, L., Dr. (Karlsruhe) PDF BibTeX XML Cite \textit{T. Viola}, Atti Accad. Naz. Lincei, Rend., VI. Ser. 29, 180--185 (1939; JFM 65.0390.02) OpenURL
Kamke, E. Weinsteins Einschließungssatz. (German) JFM 65.0390.01 Math. Z. 45, 788-790 (1939). Reviewer: Collatz, L., Dr. (Karlsruhe) PDF BibTeX XML Cite \textit{E. Kamke}, Math. Z. 45, 788--790 (1939; JFM 65.0390.01) Full Text: DOI EuDML OpenURL
Kamke, E. Über die definiten selbstadjungierten Eigenwertaufgaben bei gewöhnlichen linearen Differentialgleichungen. I. (German) JFM 65.0389.02 Math. Z. 45, 759-787 (1939). Reviewer: Collatz, L., Dr. (Karlsruhe) PDF BibTeX XML Cite \textit{E. Kamke}, Math. Z. 45, 759--787 (1939; JFM 65.0389.02) Full Text: DOI EuDML OpenURL
Kamke, E. Zum Entwicklungssatz bei polaren Eigenwertaufgaben. (German) JFM 65.0389.01 Math. Z. 45, 706-718 (1939). Reviewer: Rellich, F., Prof. (Dresden) PDF BibTeX XML Cite \textit{E. Kamke}, Math. Z. 45, 706--718 (1939; JFM 65.0389.01) Full Text: DOI EuDML OpenURL
McEwen, W. H. On the simultaneous approximations of a function and its derivatives by sums of Birkhoff type. (English) JFM 65.0388.02 Bull. Amer. math. Soc. 45, 576-582 (1939). Reviewer: Schmidt, Hermann, Prof. (Jena) PDF BibTeX XML Cite \textit{W. H. McEwen}, Bull. Am. Math. Soc. 45, 576--582 (1939; JFM 65.0388.02) Full Text: DOI OpenURL
Kamke, E. Bemerkungen zu einigen Trennungssätzen von M. Nicolesco und S. Takahashi für die Nullstellen der Lösungen von Differentialgleichungen. (German) JFM 65.0388.01 Mathematica, Cluj, 15, 201-203 (1939). Reviewer: Collatz, L., Dr. (Karlsruhe) PDF BibTeX XML Cite \textit{E. Kamke}, Mathematica, Cluj 15, 201--203 (1939; JFM 65.0388.01) OpenURL
Kamke, E. Neue Herleitung der Oszillationssätze für die linearen selbstadjungierten Randwertaufgaben zweiter Ordnung. (German) JFM 65.0387.02 Math. Z. 44, 635-658 (1939). Reviewer: Hammerstein, A., Prof. (Kiel) PDF BibTeX XML Cite \textit{E. Kamke}, Math. Z. 44, 635--658 (1939; JFM 65.0387.02) Full Text: DOI EuDML OpenURL
Zaanen, A. C. On some orthogonal systems of functions. (English) JFM 65.0387.01 Compositio math., Groningen, 7, 253-282 (1939). Reviewer: Schoblik, F., Dr. (Brünn) PDF BibTeX XML Cite \textit{A. C. Zaanen}, Compos. Math. 7, 253--282 (1939; JFM 65.0387.01) Full Text: EuDML OpenURL
Makai, E. Über eine Eigenwertabschätzung bei gewissen homogenen linearen Differentialgleichungen zweiter Ordnung. (German) JFM 65.0386.02 Compositio math., Groningen, 6, 368-374 (1939). Reviewer: Collatz, L., Dr. (Karlsruhe) PDF BibTeX XML Cite \textit{E. Makai}, Compos. Math. 6, 368--374 (1939; JFM 65.0386.02) Full Text: EuDML OpenURL
Zwirner, G. Problemi di valori ai limiti per equazioni differenziali ordinarie. (Italian) JFM 65.0386.01 Rend. Sem. mat. Univ. Padova 10, 35-45 (1939). Reviewer: Kamke, E., Prof. (Tübingen) PDF BibTeX XML Cite \textit{G. Zwirner}, Rend. Semin. Mat. Univ. Padova 10, 35--45 (1939; JFM 65.0386.01) Full Text: EuDML OpenURL
Zwirner, G. Su un problema ai limiti per le equazioni differenziali ordinarie del terzo ordine. (Italian) JFM 65.0385.02 Ist. Veneto Sci. Lett. Arti, Atti II, Sci. mat. natur. 98, 69-78 (1939). Reviewer: Sansone, G., Prof. (Florenz) PDF BibTeX XML OpenURL
Zwirner, G. Su un problema di valori al contorno per equazioni differenziali del secondo ordine. (Italian) JFM 65.0385.01 Rend. Sem. mat. Univ. Roma (4) 3, 57-70 (1939). Reviewer: Kamke, E., Prof. (Tübingen) PDF BibTeX XML Cite \textit{G. Zwirner}, Rend. Sem. Mat. Roma, IV. Ser. 3, 57--70 (1939; JFM 65.0385.01) OpenURL
Scorza Dragoni, G. A proposito di un teorema sulle equazioni differenziali ordinarie. (Italian) JFM 65.0384.02 Rend. Sem. mat. Univ. Padova 10, 90-100 (1939). Reviewer: Kamke, E., Prof. (Tübingen) PDF BibTeX XML Cite \textit{G. Scorza Dragoni}, Rend. Semin. Mat. Univ. Padova 10, 90--100 (1939; JFM 65.0384.02) Full Text: EuDML OpenURL
Zwirner, G. Sopra un teorema sulle equazioni differenziali del secondo ordine. (Italian) JFM 65.0384.01 Rend. Sem. mat. Univ. Padova 10, 65-68 (1939). Reviewer: Kamke, E., Prof. (Tübingen) PDF BibTeX XML Cite \textit{G. Zwirner}, Rend. Semin. Mat. Univ. Padova 10, 65--68 (1939; JFM 65.0384.01) Full Text: EuDML OpenURL
Zwirner, G. Un criterio di esistenza per un problema di valori al contorno per equazioni differenziali del secondo ordine. (Italian) JFM 65.0383.02 Rend. Sem. mat. Univ. Padova 10, 55-64 (1939). Reviewer: Kamke, E., Prof. (Tübingen) PDF BibTeX XML Cite \textit{G. Zwirner}, Rend. Semin. Mat. Univ. Padova 10, 55--64 (1939; JFM 65.0383.02) Full Text: EuDML OpenURL
Zwirner, G. Un’osservazione su un problema ai limiti per le equazioni differenziali. (Italian) JFM 65.0383.01 Boll. Un. mat. Ital. (2) 1, 334-336 (1939). Reviewer: Kamke, E., Prof. (Tübingen) PDF BibTeX XML Cite \textit{G. Zwirner}, Boll. Unione Mat. Ital., II. Ser. 1, 334--336 (1939; JFM 65.0383.01) OpenURL
Cinquini, S. Sopra i problemi di valori al contorno per equazioni differenziali del secondo ordine. (Italian) JFM 65.0382.02 Ann. Scuola norm. sup., Pisa, Sci. fis. mat. (2) 8, 271-283 (1939). Reviewer: Schoblik, F., Dr. (Brünn) PDF BibTeX XML Cite \textit{S. Cinquini}, Ann. Sc. Norm. Super. Pisa, II. Ser. 8, 271--283 (1939; JFM 65.0382.02) Full Text: EuDML OpenURL
Cinquini, S. Problemi di valori al contorno per equazioni differenziali (non lineari) del secondo ordine. (Italian) JFM 65.0382.01 Ann. Scuola norm. sup., Pisa, Sci. fis. mat. (2) 8, 1-22 (1939). Reviewer: Kamke, E., Prof. (Tübingen) PDF BibTeX XML Cite \textit{S. Cinquini}, Ann. Sc. Norm. Super. Pisa, II. Ser. 8, 1--22 (1939; JFM 65.0382.01) Full Text: Numdam EuDML OpenURL
Scorza-Dragoni, G. Intorno a un criterio di esistenza per un problema di valori ai limiti. (Italian) JFM 65.0381.05 Atti Accad. naz. Lincei, Rend., Cl. Sci. fis. mat. natur. (6) 28, 317-325 (1939). Reviewer: Schoblik, F., Dr. (Brünn) PDF BibTeX XML Cite \textit{G. Scorza-Dragoni}, Atti Accad. Naz. Lincei, Rend., VI. Ser. 28, 317--325 (1939; JFM 65.0381.05) OpenURL
Tonelli, L. Sull’equazione differenziale \(y^{\prime\prime} = f(x, y, y^\prime)\). (Italian) JFM 65.0381.04 Ann. Scuola norm. sup., Pisa, Sci. fis. mat. (2) 8, 75-88 (1939). Reviewer: Scorza Dragoni, G., Prof. (Rom) PDF BibTeX XML Cite \textit{L. Tonelli}, Ann. Sc. Norm. Super. Pisa, II. Ser. 8, 75--88 (1939; JFM 65.0381.04) Full Text: EuDML OpenURL