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@article{MT_1989_16_a2, author = {I. L. Kantor}, title = {Some problems in $\mathfrak{L}$-functor theory}, journal = {Matemati\v{c}eskie trudy}, pages = {54--75}, publisher = {mathdoc}, volume = {16}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MT_1989_16_a2/} }
I. L. Kantor. Some problems in $\mathfrak{L}$-functor theory. Matematičeskie trudy, Tome 16 (1989), pp. 54-75. http://geodesic.mathdoc.fr/item/MT_1989_16_a2/