1.

図書
図書
1. Ordinary differential equations
by L.S. Pontryagin ; translated from the Russian by Leonas Kacinskas and Walter B. Counts
出版情報: Reading, Mass. : Addison-Wesley Pub. Co., c1962
シリーズ名: Adiwes international series in mathematics
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2.

図書
図書
2. Current problems of mathematics : differential equations, mathematical analysis, and their applications : collection of papers dedicated to Akademician [sic] Lev Semenovich Pontryagin on his seventy-fifth birthday (: pbk)
editorial board of the anniversary collection, editor in chief A.A. Logunov ... et al
出版情報: Providence, R.I. : American Mathematical Society, 1986
シリーズ名: Proceedings of the Steklov Institute of Mathematics ; 1986, issue 1
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