@article{KUKZ_1990_25_25_a21,
     author = {E. A. Shirokova},
     title = {An interior inverse boundary value problem with respect to parameter $S$ for the {Beltrami} equation that is given in the plane of the domain sought},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {238--247},
     publisher = {mathdoc},
     volume = {25},
     number = {25},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1990_25_25_a21/}
}