Medynsky, Igor     Cauchy problem for a semilinear ultraparabolic equations of Kolmogorov type [Текст] / Igor Medynsky // International conference dedicated to the 120th anniversary of Stefan Banach : abstr. of rep., Lviv, Ukraine, Sept. 17-21, 2012 / I. Franko Nat. Univ. of Lviv, Lviv Politechnic Nat. Univ., Lviv Inst. for Appl. Problem of Mechanics and Mathematics, Donetsk Inst. of Appl. Mathematics and Mechanichs, Kyiv Inst. of Mathematics of Nat. Acad. of Sciences of Ukraine. — 2012. — P. 217.