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@article{INTG_1978_10_a4, author = {A. P. Norden}, title = {The theory of compositions}, journal = {Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara}, pages = {117--145}, publisher = {mathdoc}, volume = {10}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/INTG_1978_10_a4/} }
A. P. Norden. The theory of compositions. Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara, Itogi Nauki i Tekhniki. Seriya "Problemy Geometrii", Tome 10 (1978), pp. 117-145. http://geodesic.mathdoc.fr/item/INTG_1978_10_a4/