YERMEKKYZY , L. . VARIATIVE SOLUTION OF THE COEFFICIENT INVERSE PROBLEM FOR THE HEAT EQUATIONS . Bulletin of Abai KazNPU. Series of Physical and mathematical sciences, Алматы, Казахстан, v. 72, n. 4, p. 23–27, 2020. DOI: 10.51889/2020-4.1728-7901.03 . Disponível em: https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/61. Acesso em: 4 dec. 2024.