@article{10_4153_CMB_1977_017_7,
     author = {Grimson, R. C.},
     title = {Multiple {Series} {Manipulations} and {Generating} {Functions}},
     journal = {Canadian mathematical bulletin},
     pages = {103--106},
     year = {1977},
     volume = {20},
     number = {1},
     doi = {10.4153/CMB-1977-017-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1977-017-7/}
}