TY - JOUR AU - E. A. Shirokova TI - Application of homotopic families of closed curves in investigating the univalence of the solution of inverse boundary value problems JO - Trudy seminara po kraevym zadačam PY - 1979 SP - 235 EP - 239 VL - 16 IS - 16 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KUKZ_1979_16_16_a23/ LA - ru ID - KUKZ_1979_16_16_a23 ER -