Knopp, K. (1952). Problem book in the theory of fuctions , problems in the advanced theory of functions. Dover.
শিকাগো স্টাইলে সাইটেশনKnopp, Konard. Problem Book in the Theory of Fuctions , Problems in the Advanced Theory of Functions. New York: Dover, 1952.
এমএলএ সাইটেশনKnopp, Konard. Problem Book in the Theory of Fuctions , Problems in the Advanced Theory of Functions. Dover, 1952.
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