Differential equations
by L. E. El'sgol'ts.
Delhi : Hindustan Publishing Corp., 1961.
iii, iii, 359 págs. ; 22 cm.
Serie: International monographs on advanced mathematics and physics
Translated from the original Russian title "Differentzialnye Uravneniya" published by the State Publishing House for Technical and Theoretical Literature, Moscow, 1957.
"Approved by the Ministry of Higher Education, U.S.S.R., as a textbook for Physico-Mathematical faculties of State Universities."
Reseña: MathSciNet, 23 #A1862