@article{PDM_2009_2_a7,
     author = {G. P. Agibalov},
     title = {50 years of cryptography in {Tomsk} {State} {University}},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {104--126},
     publisher = {mathdoc},
     number = {2},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2009_2_a7/}
}