TY - JOUR AU - G. B. Sizykh TI - Closed vortex lines in fluid and gas JO - Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences PY - 2019 SP - 407 EP - 416 VL - 23 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGTU_2019_23_3_a0/ LA - en ID - VSGTU_2019_23_3_a0 ER -