@article{TVP_1972_17_4_a11,
     author = {V. V. Sarafyan},
     title = {Diffusion processes and differential equations degenerating at certain points},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {738--743},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1972_17_4_a11/}
}