@article{DAN_1981_261_4_a5,
     author = {R. D. Lazarov and Yu. I. Mokin},
     title = {On the convergence of difference schemes for {Poisson} equations in $L_p$-metrics},
     journal = {Doklady Akademii Nauk},
     pages = {796--801},
     publisher = {mathdoc},
     volume = {261},
     number = {4},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_261_4_a5/}
}