1.

図書
図書
1. Asymptotic behavior of solutions of differential-difference equations
by Richard Bellman and Kenneth L. Cooke
出版情報: Providence : American Mathematical Society, 1959
シリーズ名: Memoirs of the American Mathematical Society ; no. 35
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2.

図書
図書
2. Differential-difference equations
Richard Bellman, Kenneth L. Cooke
出版情報: New York : Academic Press, 1963
シリーズ名: Mathematics in science and engineering : a series of monographs and textbooks ; vol. 6
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