Differential equations and the calculus of variations
L. Elsgolts
Differential equations and the calculus of variations - - MIR Publishers c1977 - 440p.
Differential equations
Calculus of variations
515.35 ELS(DIF)
Differential equations and the calculus of variations - - MIR Publishers c1977 - 440p.
Differential equations
Calculus of variations
515.35 ELS(DIF)