@article{DE_1970_6_5_a9,
     author = {A. B. Zimin},
     title = {The {Cauchy} problem for an $n{\rm th}$ order linear equation with a small parameter multiplying the highest derivative in the case of singular initial data},
     journal = {Differencialʹnye uravneni\^a},
     pages = {861--870},
     publisher = {mathdoc},
     volume = {6},
     number = {5},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1970_6_5_a9/}
}