@article{MZM_2012_91_6_a11,
     author = {I. A. Khadzhi},
     title = {Inverse {Problem} for {Equations} of {Mixed} {Type} with {Lavrentev--Bitsadze} {Operator}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {908--919},
     publisher = {mathdoc},
     volume = {91},
     number = {6},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2012_91_6_a11/}
}