Differential equations and the calculus of variations
Elsgolts,L.
Differential equations and the calculus of variations - Moscow : Mir publication, 1970 - 440p.; 22cm
Natural sciences and mathematics
515.35 / ELS
Differential equations and the calculus of variations - Moscow : Mir publication, 1970 - 440p.; 22cm
Natural sciences and mathematics
515.35 / ELS