@article{DE_2006_42_8_a10, author = {V. V. Solov'ev}, title = {Inverse problems for elliptic equations on the plane: {I}}, journal = {Differencialʹnye uravneni\^a}, pages = {1106--1114}, publisher = {mathdoc}, volume = {42}, number = {8}, year = {2006}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2006_42_8_a10/} }