@article{IIGUM_2019_29_a2,
     author = {G. P. Egorychev},
     title = {A short calculation of the multiple sum of {Krivokolesko--Leinartas} with linear constraints on summation indices},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {22--30},
     publisher = {mathdoc},
     volume = {29},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2019_29_a2/}
}