@article{SM_1983_44_1_a0,
     author = {M. A. Evgrafov},
     title = {On estimates of the fundamental solution of an elliptic equation with a~small parameter},
     journal = {Sbornik. Mathematics},
     pages = {1--22},
     publisher = {mathdoc},
     volume = {44},
     number = {1},
     year = {1983},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1983_44_1_a0/}
}