@article{IVM_1977_2_a9,
     author = {M. E. Lerner},
     title = {Maximum and uniqueness principles for the solutions of boundary value problems of certain equations of mixed type},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {71--83},
     publisher = {mathdoc},
     number = {2},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1977_2_a9/}
}