1.
Burtnyak I, Malytska H. Structure of the Fundamental Solution of Cauchy Problem for Kolmogorov Systems of Second-Order. jpnu [Internet]. 2015 Dec. 24 [cited 2024 Jul. 3];2(4):9-22. Available from: https://scijournals.pnu.edu.ua/index.php/jpnu/article/view/2636