1.
Ivasyshen SD, Litovchenko VA. Cauchy problem for a class of degenerate kolmogorov-type parabolic equations with nonpositive genus. Ukr. Mat. Zhurn. [Internet]. 2010Oct.25 [cited 2024Apr.26];62(10):1330–1350. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/2958