@article{JCEM_2017_4_2_a6,
     author = {E. V. Bychkov and K. Yu. Kotlovanov},
     title = {Sobolev type equation in $(n, p)$-sectorial case},
     journal = {Journal of computational and engineering mathematics},
     pages = {66--72},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JCEM_2017_4_2_a6/}
}