@article{SF_1993__46_1_135234,
     author = {J. Konieczny},
     title = {Remarks  on the structure of the multiplicative monoid of integers modulo m.},
     journal = {Semigroup forum},
     pages = {266--269},
     publisher = {mathdoc},
     volume = {46},
     number = {1},
     year = {1993},
     zbl = {0769.20026},
     url = {http://geodesic.mathdoc.fr/item/SF_1993__46_1_135234/}
}