@article{PDM_2009_10_a31,
     author = {E. A. Aken'shina and N. V. Shabaldina},
     title = {Test suites derivation for nondeterministic finite state mashines with respect to the separability relation},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {63--65},
     publisher = {mathdoc},
     number = {10},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2009_10_a31/}
}