@article{DAN_1989_309_5_a2,
     author = {S. M. Grudskii},
     title = {Convolution equations on a finite interval with a small parameter},
     journal = {Doklady Akademii Nauk},
     pages = {1040--1043},
     publisher = {mathdoc},
     volume = {309},
     number = {5},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_309_5_a2/}
}