@article{SM_1969_7_3_a3,
     author = {M. A. Pak},
     title = {On the decrease of solutions of linear elliptic equations with constant coefficients},
     journal = {Sbornik. Mathematics},
     pages = {347--351},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {1969},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1969_7_3_a3/}
}