@article{PDM_2018_1_a8,
     author = {A. A. Pesnyak and D. A. Stefantsov},
     title = {Index intervals in {LYaPAS}},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {99--106},
     publisher = {mathdoc},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2018_1_a8/}
}