@article{DE_2005_41_4_a8,
     author = {Ya. Sh. Il'yasov},
     title = {On {Global} {Positive} {Solutions} of {Parabolic} {Equations} with a {Sign-Indefinite} {Nonlinearity}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {518--526},
     publisher = {mathdoc},
     volume = {41},
     number = {4},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2005_41_4_a8/}
}