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Danko, P. E., Popov, A. G., Kozhevnikova, T. Y., & Aleksanova, I. (1983). Higher mathematics in problems and exercises. Moscow: Mir Publishers.

Danko, P. E., A. G. Popov, T. Ya Kozhevnikova, and Irene Aleksanova. Higher Mathematics in Problems and Exercises. Moscow: Mir Publishers, 1983.

Danko, P. E., A. G. Popov, T. Ya Kozhevnikova, and Irene Aleksanova. Higher Mathematics in Problems and Exercises. Moscow: Mir Publishers, 1983.