Landis, E. M. Some questions in the qualitative theory of elliptic and parabolic equations. (English. Russian original) Zbl 0122.33701 Transl., Ser. 2, Am. Math. Soc. 20, 173-238 (1962). Translation from Usp. Mat. Nauk 14, No. 1(85), 21–85 (Russian) (1959; Zbl 0095.07703). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 Documents MSC: 35J15 Second-order elliptic equations 35K10 Second-order parabolic equations Keywords:second order elliptic equations; second order parabolic equations; growth; decrease; Harnack inequality PDF BibTeX XML Cite \textit{E. M. Landis}, Transl., Ser. 2, Am. Math. Soc. 20, 173--238 (1962; Zbl 0122.33701) Full Text: DOI