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@article{MASLO_1978__28_3_a3, author = {Abian, Alexander}, title = {On a useful economy in the formation of {Riemann} sums}, journal = {Mathematica slovaca}, pages = {247--252}, publisher = {mathdoc}, volume = {28}, number = {3}, year = {1978}, mrnumber = {534991}, zbl = {0418.26006}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1978__28_3_a3/} }
Abian, Alexander. On a useful economy in the formation of Riemann sums. Mathematica slovaca, Tome 28 (1978) no. 3, pp. 247-252. http://geodesic.mathdoc.fr/item/MASLO_1978__28_3_a3/