Obyknovennye different͡sialʹnye uravnenii͡a
Subtitle: [uchebnik dli͡a gos. un-tov]
By: L. S. Pontri͡agin.
Edition: Izd. 3-e, stereotyp.
Publisher: Nauka
Published: 1970
Place of publication: Moskva
Language: rus
Number of pages: 331
Subjects: Differential equations