TY - JOUR AU - N. M. Bliznyakov TI - Estimates of the rotation of vector fields on algebraic varieties JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1979 SP - 78 VL - 13 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1979_13_2_a7/ LA - ru ID - FAA_1979_13_2_a7 ER -