@article{KUKTF_1990_7_7_a9,
     author = {E. A. Shirokova},
     title = {Obtaining the sufficient conditions for uniqueness of solutions of the exterior inverse boundary value problem in the form of constraints upon the initial data},
     journal = {Konstruktivnaya Teoriya Funktsii i Funktsional'nyi Analiz},
     pages = {95--102},
     year = {1990},
     volume = {7},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKTF_1990_7_7_a9/}
}