@article{VSGU_2020_26_1_a2,
     author = {V. P. Tsvetov},
     title = {Semigroups of binary operations and magma-based cryptography},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {23--51},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2020_26_1_a2/}
}