Weinstock, R. (1952). Calculus of variations with applications to physics and engineering.
Chicago-стиль цитированияWeinstock, Robert. Calculus of Variations with Applications to Physics and Engineering. 1952.
MLA-цитированиеWeinstock, Robert. Calculus of Variations with Applications to Physics and Engineering. 1952.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.