@article{SJVM_2003_6_1_a4,
     author = {V. V. Smelov},
     title = {On generalized solution of two-dimensional elliptic problem with piecewise constant coefficients based on splitting a~differential operator and using specific basis functions},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {59--72},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2003_6_1_a4/}
}