@article{DAN_1993_330_6_a7,
     author = {V. D. Stepanov and D. E. Edmunds},
     title = {On the measure of noncompactness and approximation numbers of a~class of {Volterra} integral operators},
     journal = {Doklady Akademii Nauk},
     pages = {700--703},
     publisher = {mathdoc},
     volume = {330},
     number = {6},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1993_330_6_a7/}
}