@article{PDM_2022_3_a2,
     author = {P. A. Polyschuk and A. V. Cheremushkin},
     title = {A randomized analog of {Chaum} --- van {Antwerpen} undeniable signature},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {40--51},
     publisher = {mathdoc},
     number = {3},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2022_3_a2/}
}