@article{DAN_1981_256_1_a9,
     author = {O. I. Reinov},
     title = {Properties of $p$-order approximation and the existence of non-$p$-nuclear operators with $p$-nuclear second conjugate operators},
     journal = {Doklady Akademii Nauk},
     pages = {43--47},
     publisher = {mathdoc},
     volume = {256},
     number = {1},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_256_1_a9/}
}