@article{SM_2001_192_10_a3,
     author = {G. G. Laptev},
     title = {Non-existence of solutions of semilinear parabolic differential inequalities in cones},
     journal = {Sbornik. Mathematics},
     pages = {1471--1490},
     publisher = {mathdoc},
     volume = {192},
     number = {10},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2001_192_10_a3/}
}