Differential equations and the calculus of variations
Elsgolts, L; Yankovsky, George, Tr.
Differential equations and the calculus of variations - - Mir Publishers, Moscow 1970 - 440 - .
Differential equations; Analysis; Mathematics
515.35 ELS-D
Differential equations and the calculus of variations - - Mir Publishers, Moscow 1970 - 440 - .
Differential equations; Analysis; Mathematics
515.35 ELS-D