@article{10_4153_CMB_1961_006_0,
     author = {Moser, L. and Whitney, E. L.},
     title = {Weighted {Compositions}},
     journal = {Canadian mathematical bulletin},
     pages = {39--43},
     year = {1961},
     volume = {4},
     number = {1},
     doi = {10.4153/CMB-1961-006-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1961-006-0/}
}