@article{RM_1985_40_5_a12,
     author = {S. I. Svinolupov},
     title = {Second-order evolution equations with symmetries},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {241--242},
     publisher = {mathdoc},
     volume = {40},
     number = {5},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1985_40_5_a12/}
}