@article{ZNSL_2021_502_a5,
     author = {A. L. Smirnov},
     title = {On additions on the multiplicative monoid of integers},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {139--151},
     publisher = {mathdoc},
     volume = {502},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2021_502_a5/}
}