@article{TRSPY_1967_91_a6,
     author = {V. P. Mikhailov},
     title = {The first boundary value problem for quasi-elliptic and quasi-parabolic equations},
     journal = {Informatics and Automation},
     pages = {81--99},
     publisher = {mathdoc},
     volume = {91},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1967_91_a6/}
}