@article{SEMR_2006_3_a4,
     author = {N. V. Shustrova},
     title = {The generalized {Morawetz} problem for {Lavrent'ev{\textendash}Bitsadze} equation with spectral parameter},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {106--114},
     year = {2006},
     volume = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2006_3_a4/}
}