00747cam a2200229   4500001001300000003000400013005001700017008004100034010001700075025001900092040001800111050002200129082001300151100004100164240005900205245007200264260004900336300002200385440006500407650002800472999001700500sa 68012002 DLC20260227112606.0691105s1967    ii            000 0 eng    asa 68012002   aPL480:I-E-9429  aDLCcDLCdDLC00aQA372b.P733 196700a517/.3821 aPontri͡agin, Lev Semenovich,d1908-10aObyknovennye different͡sialnya uravnenii͡a.lEnglish12aA course in ordinary differential equationsc[by] L. S. Pontriagin.  aDelhi,bHindustan Pub. Corp. (India),c1967.  ax, 333 p.c25 cm. 0aInternational monographs on advanced mathematics and physics 0aDifferential equations.  c84239d84239