@article{DE_2001_37_10_a6,
     author = {A. P. Soldatov},
     title = {The {Algebra} of {Singular} {Operators} with {Terminal} {Symbol} on a {Piecewise} {Smooth} {Curve:} {III.} {Operators} of {Normal} {Type}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1364--1376},
     publisher = {mathdoc},
     volume = {37},
     number = {10},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2001_37_10_a6/}
}