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@article{IVM_1972_7_a12, author = {R. A. Shafiev}, title = {The method of chords}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {107--112}, publisher = {mathdoc}, number = {7}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1972_7_a12/} }
R. A. Shafiev. The method of chords. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (1972), pp. 107-112. http://geodesic.mathdoc.fr/item/IVM_1972_7_a12/