@article{RM_1992_47_3_a3,
     author = {S. I. Svinolupov and V. V. Sokolov},
     title = {Factorization of evolution equations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {127--162},
     publisher = {mathdoc},
     volume = {47},
     number = {3},
     year = {1992},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1992_47_3_a3/}
}