ТИМКІВ, Іван Романович. PROBLEM WITH TWO-POINTS CONDITIONS FOR SYSTEM PARABOLIC EQUATIONS OF SECOND ORDER ON TIME. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, [S. l.], n. 2(38), p. 37–46, 2019. Disponível em: https://pvntsh.nung.edu.ua/index.php/number/article/view/33. Acesso em: 11 apr. 2025.