@article{JSFU_2021_14_1_a1,
     author = {Georgy P. Egorychev and Sergey G. Kolesnikov and Vladimir M. Leontiev},
     title = {Integral representation and the computation of multiple combinatorial sums from {Hall's} commutator theory},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {12--20},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2021_14_1_a1/}
}