@article{DE_1990_26_2_a6,
     author = {V. I. Maksimov},
     title = {Modeling controls and coefficients in parabolic evolution systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {237--246},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_2_a6/}
}