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@article{DAN_1987_293_2_a11, author = {V. P. Orevkov}, title = {Reconstruction of a proof by its scheme}, journal = {Doklady Akademii Nauk}, pages = {313--316}, publisher = {mathdoc}, volume = {293}, number = {2}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1987_293_2_a11/} }
V. P. Orevkov. Reconstruction of a proof by its scheme. Doklady Akademii Nauk, Tome 293 (1987) no. 2, pp. 313-316. http://geodesic.mathdoc.fr/item/DAN_1987_293_2_a11/