@article{MZM_1967_2_1_a5,
     author = {G. G. Kazaryan},
     title = {Density of smooth finitary functions in $\mathring{W}_p^r(\Omega)$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {45--52},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1967_2_1_a5/}
}