@article{DAN_1961_138_2_a16,
     author = {P. E. Sobolevskii},
     title = {Estimates of the {Green's} function of second-order partial differential equations of parabolic type},
     journal = {Doklady Akademii Nauk},
     pages = {313--316},
     publisher = {mathdoc},
     volume = {138},
     number = {2},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_138_2_a16/}
}