TY - JOUR TI - Sessions of the seminar ``Actual problems of geometry and mechanics'' JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2001 SP - 301 EP - 316 VL - 7 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2001_7_1_a21/ LA - ru ID - FPM_2001_7_1_a21 ER -