TY - JOUR AU - D. V. Zakharov TI - Isoperiodic deformations of the~acoustic operator and periodic solutions of the~Harry Dym equation JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2007 SP - 46 EP - 57 VL - 153 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_2007_153_1_a3/ LA - ru ID - TMF_2007_153_1_a3 ER -