@article{DAN_1975_220_5_a7,
     author = {O. A. Oleinik and E. V. Radkevich},
     title = {On the behavior of solutions of general parabolic systems of differential equations in unbounded domains},
     journal = {Doklady Akademii Nauk},
     pages = {1027--1030},
     publisher = {mathdoc},
     volume = {220},
     number = {5},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_220_5_a7/}
}