@article{DAN_1957_117_6_a2,
     author = {E. K. Isakova},
     title = {The asymptotic behaviour of the solution of a second order parabolic partial differential equation with a small 
},
     journal = {Doklady Akademii Nauk},
     pages = {935--938},
     publisher = {mathdoc},
     volume = {117},
     number = {6},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_117_6_a2/}
}