@article{INTA_1981_19_a3,
     author = {Yu. M. Smirnov},
     title = {The theory of shapes. {I}},
     journal = {Itogi Nauki i Tekhniki. Seriya Algebra. Geometriya. Topologiya},
     pages = {181--207},
     year = {1981},
     volume = {19},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTA_1981_19_a3/}
}