@article{MMO_1978_36_a5,
     author = {V. I. Feigin},
     title = {New classes of pseudodifferential operators in $R^n$ and some applications},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {155--194},
     year = {1978},
     volume = {36},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1978_36_a5/}
}