@misc{RM_1995_50_4_a3,
     title = {Joint sessions of the {Petrovskii} {Seminar} on differential equations and mathematical problems of physics and of the {Moscow} {Mathematical} {Society} (seventeenth session, {24--27~January~1995)}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {731--809},
     publisher = {mathdoc},
     volume = {50},
     number = {4},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1995_50_4_a3/}
}