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E.I. Safonov Ugra State University, Khanty-Mansyisk, Russian Federation E-mail: dc.gerz.hd@gmail.com. Е.И. Сафонов Югорский государственный университет, г. Ханты-Мансийск, Российская Федерация E-mail: dc.gerz.hd@gmail.com

ON DETERMINATION OF MINOR COEFFICIENT IN A PARABOLIC EQUATION OF THE SECOND ORDER