@article{UZKU_2005_147_3_a0,
     author = {I. E. Pleshchinskaya and N. B. Pleschinskii},
     title = {Over-determined boundary value problems for elliptic partial differential equations and their applications to waves diffraction theory.},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {4--32},
     year = {2005},
     volume = {147},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2005_147_3_a0/}
}