@article{RM_1979_34_3_a23,
     author = {F. John and J. Leray and S. P. Novikov and A. G. Khovanskii and S. A. Molchanov and N. V. Krylov and B. L. Rozovskii and N. R. Sibgatullin and A. V. Uglanov and S. Yu. Dobrokhotov and V. P. Maslov},
     title = {Sessions of the {Petrovskii} {Seminar} on differential equations and mathematical problems of physics},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {34},
     number = {3},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1979_34_3_a23/}
}