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Google圖書搜尋
Comparison of solutions and successive approximation in the theory of the equation delta 2 z/deltaxdeltay
Jan Kisyński
Andrzej Pelczar
出版
Państw. Wyd. Naukowe
, 1970
URL
http://books.google.com.hk/books?id=EDcavwEACAAJ&hl=&source=gbs_api