@article{DAN_1990_310_3_a2,
     author = {M. V. Klibanov and P. G. Danilaev},
     title = {Solution of coefficient inverse problems by the method of},
     journal = {Doklady Akademii Nauk},
     pages = {528--532},
     publisher = {mathdoc},
     volume = {310},
     number = {3},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_310_3_a2/}
}