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@article{MV_1973_25_1_a31, author = {A. Ivi\'c}, title = {An asymptotic formula for elements of a semigroup of integers}, journal = {Matemati\v{c}ki vesnik}, pages = {255 }, publisher = {mathdoc}, volume = {25}, number = {1}, year = {1973}, url = {http://geodesic.mathdoc.fr/item/MV_1973_25_1_a31/} }
A. Ivić. An asymptotic formula for elements of a semigroup of integers. Matematički vesnik, Tome 25 (1973) no. 1, p. 255 . http://geodesic.mathdoc.fr/item/MV_1973_25_1_a31/