@article{DE_1998_34_11_a13,
     author = {S. D. Ivasishen and S. D. \`Eidel'man},
     title = {On the fundamental solutions of the {Cauchy} problem for degenerate equations of {Kolmogorov} type with a $\overrightarrow{2b}$-parabolic part with respect to the main group of variables},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1536--1545},
     publisher = {mathdoc},
     volume = {34},
     number = {11},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1998_34_11_a13/}
}