TY - JOUR AU - S. L. Yakovlev TI - Differential Faddeev equations as a spectral problem for nonsymmetric operator JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1996 SP - 513 EP - 528 VL - 107 IS - 3 UR - http://geodesic.mathdoc.fr/item/TMF_1996_107_3_a11/ LA - ru ID - TMF_1996_107_3_a11 ER -