@article{IVM_1978_10_a13,
     author = {E. A. Shirokova},
     title = {Some questions on the univalence of solutions of inverse boundary value problems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {90--94},
     year = {1978},
     number = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1978_10_a13/}
}