APA (7th ed.) Citation

Ėlʹsgolʹt͡s, L. Ė. (1970). Differential equations and the calculus of variations. Mir Publishers.

Chicago Style (17th ed.) Citation

Ėlʹsgolʹt͡s, L. Ė. Differential Equations and the Calculus of Variations. Moscow: Mir Publishers, 1970.

MLA (9th ed.) Citation

Ėlʹsgolʹt͡s, L. Ė. Differential Equations and the Calculus of Variations. Mir Publishers, 1970.

Warning: These citations may not always be 100% accurate.