@article{DAN_1978_243_1_a5,
     author = {M. D. Martynenko and L. F. Boiko},
     title = {On the solvability of problems without initial conditions for {Petrovskii} parabolic systems},
     journal = {Doklady Akademii Nauk},
     pages = {30--32},
     publisher = {mathdoc},
     volume = {243},
     number = {1},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_243_1_a5/}
}