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@article{IVM_1964_1_a7, author = {N. I. Kovantsov}, title = {The theory of complexes in a~bi-axial space}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {56--68}, publisher = {mathdoc}, number = {1}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1964_1_a7/} }
N. I. Kovantsov. The theory of complexes in a~bi-axial space. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1964), pp. 56-68. http://geodesic.mathdoc.fr/item/IVM_1964_1_a7/