TY - JOUR AU - A. A. Malyugin AU - D. V. Kazunin TI - Calculation of drillstring vibrations in real time as part of training system JO - Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ PY - 2017 SP - 91 EP - 101 VL - 13 IS - 1 UR - http://geodesic.mathdoc.fr/item/VSPUI_2017_13_1_a8/ LA - ru ID - VSPUI_2017_13_1_a8 ER -