@article{FAA_1974_8_4_a7,
     author = {O. A. Oleinik and E. V. Radkevich},
     title = {Analyticity and theorems of {Liouville} and {Phragmen--Lindel\"of} type for general parabolic systems of differential equations},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {59--70},
     publisher = {mathdoc},
     volume = {8},
     number = {4},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1974_8_4_a7/}
}