@article{KUKZ_1980_17_17_a17,
     author = {M. A. Sevodin and P. L. Shabalin},
     title = {On the improvement of the separating constants in the criterion of the univalence of the solution of an inverse boundary value problem},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {167--179},
     publisher = {mathdoc},
     volume = {17},
     number = {17},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1980_17_17_a17/}
}