@article{VMJ_2003_5_1_a2,
     author = {M. S. Alborova},
     title = {Approximation in $L_p$ by solutions of quasi-elliptic equations},
     journal = {Vladikavkazskij matemati\v{c}eskij \v{z}urnal},
     pages = {10--13},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMJ_2003_5_1_a2/}
}