@article{FPM_2009_15_1_a10,
     author = {S. L. Chernyshev},
     title = {Enumerating functions for nonnegative integer coordinates of $L$-dimensional vectors},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {147--155},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2009_15_1_a10/}
}