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. 1(33), p. 124–138, 2019. Disponível em: https://www.pvntsh.nung.edu.ua/index.php/number/article/view/109. Acesso em: 20 dec. 2025.