@article{CM_1991__77_3_343_0,
     author = {Hui-Zhong, Cao},
     title = {Essentially different factorizations of a natural number},
     journal = {Compositio Mathematica},
     pages = {343--346},
     publisher = {Kluwer Academic Publishers},
     volume = {77},
     number = {3},
     year = {1991},
     mrnumber = {1092774},
     zbl = {0716.11049},
     language = {en},
     url = {http://www.numdam.org/item/CM_1991__77_3_343_0/}
}