TY - JOUR AU - Hermann von Helmholtz TI - On integrals of the hydrodynamical equations, which express vortex-motion JO - Russian journal of nonlinear dynamics PY - 2006 SP - 473 EP - 507 VL - 2 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ND_2006_2_4_a7/ LA - ru ID - ND_2006_2_4_a7 ER -