This article is cited in 1 paper

MATHEMATICS

Maximum principles for second order equations of mixed elliptic-hyperbolic type

M. E. Lerner<sup>ab

a</sup> Kuibyshev Polytechnic Institute
^b Kuibyshev State Pedagogical Institute

UDC: 517.946.4

Presented: I. N. Vekua
Received: 13.12.1967

Bibliographic databases:

• 
•