@article{IVM_1986_12_a10,
     author = {I. N. Maǐboroda},
     title = {On the construction of lower and upper functions for a~boundary value problem of a~system of second-order nonlinear parabolic equations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {51--55},
     year = {1986},
     number = {12},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1986_12_a10/}
}