@article{DAN_1962_146_6_a12,
     author = {A. P. Khromov},
     title = {The eigenfunction expansion of ordinary linear differential operators in a finite interval},
     journal = {Doklady Akademii Nauk},
     pages = {1294--1297},
     publisher = {mathdoc},
     volume = {146},
     number = {6},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_146_6_a12/}
}