@article{DAN_1984_277_2_a12, author = {L. K. Filippov}, title = {Steady state conditions for the diffusion equation with a}, journal = {Doklady Akademii Nauk}, pages = {310--314}, publisher = {mathdoc}, volume = {277}, number = {2}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1984_277_2_a12/} }