@article{SM_1998_189_9_a2,
     author = {A. A. Ilyin},
     title = {Best constants in a~class of polymultiplicative inequalities for derivatives},
     journal = {Sbornik. Mathematics},
     pages = {1335--1359},
     publisher = {mathdoc},
     volume = {189},
     number = {9},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1998_189_9_a2/}
}