@article{SM_1977_32_3_a5,
     author = {I. M. Petrushko},
     title = {On the boundary values of solutions of parabolic equations},
     journal = {Sbornik. Mathematics},
     pages = {347--370},
     publisher = {mathdoc},
     volume = {32},
     number = {3},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1977_32_3_a5/}
}