@article{MT_1998_1_2_a0,
     author = {N. B. Aiupova and V. P. Golubyatnikov},
     title = {On {Formal} {Solutions} to {Multidimensional} {Evolution} {Equations}},
     journal = {Matemati\v{c}eskie trudy},
     pages = {3--23},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_1998_1_2_a0/}
}