1.
Koval’chuk YA, Kozachenko YV. Boundary-value problems with random initial conditions and functional series from sub<sub class="a-plus-plus">φ</sub&gt; (Ω). II. Ukr. Mat. Zhurn. [Internet]. 1998Jul.25 [cited 2024Nov.24];50(7):897–906. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4870