@article{JSFU_2019_12_4_a12,
     author = {Evgeniy K. Leinartas and Olga A. Shishkina},
     title = {The discrete analog of the {Newton--Leibniz} formula in the problem of summation over simplex lattice points},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {503--508},
     publisher = {mathdoc},
     volume = {12},
     number = {4},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2019_12_4_a12/}
}