05.13.11 (Mathematical and programme software for computers, computer systems, and networks)
Main publications:
Modulyarizatsiya marshrutnykh sistem / I. V. Krishtopa, O. L. Perevozchikova. - Kiev : In-t kibernetiki im. V. M. Glushkova AN USSR, 1985. - 22 s. - (Preprint; 85-15).
V. V. Krizhanovskii, I. V. Krishtopa, M. N. Musaev, O. L. Perevozchikova, V. S. Sadovenko, E. L. Yushchenko, “The functioning and design of dialog itinerary systems”, Avtomat. i Telemekh., 1983, no. 1, 150–159