Struik, D. J. On sets of principal directions in a Riemannian manifold of four dimensions. (English) JFM 54.0773.07 Journal of Math. Massachusetts 7, 193-197 (1928). Reviewer: Fenchel, W., Dr. (Göttingen) × Cite Format Result Cite Review PDF Full Text: DOI
Borůvka, O. Über eine Klasse von Minimalflächen im vierdimensionalen Raum von konstanter Krümmung. (Czech) JFM 54.0773.06 Rozpravy 37, No. 37, 19 S. (1928). Reviewer: Čech, E., Prof. (Brünn) × Cite Format Result Cite Review PDF
Synge, J. L. Normals and curvatures of a curve in the Riemannian manifold. (English) JFM 54.0773.05 Proceedings Congress Toronto 1, 857-862 (1928). Reviewer: Pietsch, H. (Berlin) × Cite Format Result Cite Review PDF
McConnell, A. J. Schmidt’s orthogonal ennuple and the Frenet formulas for a curve. (English) JFM 54.0773.04 Bulletin A. M. S. 34, 713-714 (1928). Reviewer: Feigl, G., Dr. (Berlin) × Cite Format Result Cite Review PDF Full Text: DOI
Hlavatý, V. Sur les coefficients de Ricci. (French) JFM 54.0773.03 C. R. 186, 1691-1694 (1928). Reviewer: Thomsen, G., Prof. (Rostock) × Cite Format Result Cite Review PDF Full Text: Gallica
Hlavatý, V. Sur la seconde forme fondamentale, relative à l’affineur de torsion. (French) JFM 54.0773.02 C. R. 186, 1508-1510 (1928). Reviewer: Thomsen, G., Prof. (Rostock) × Cite Format Result Cite Review PDF Full Text: Gallica
Hlavatý, V. Sur la seconde forme fondamentale. II: Généralisation du théorème d’Enneper. (French) JFM 54.0773.01 C. R. 186, 1258-1260 (1928). Reviewer: Thomsen, G., Prof. (Rostock) × Cite Format Result Cite Review PDF Full Text: Gallica