Author :
Elsgolts, Lev Ernestovich
Title :
Differential equations and the calculus of variations
Author Statement :
[by] L. Elsgolts. Translated from the Russian by George Yankovsky
Publication :
Mir Publishers
Collation :
438 p. illus., 22 cm
Subject :
Differential equations,Calculus of variations
Biblography :
Bibliography: p. [436]