@article{AMI_2013_41_a14,
     author = {Augustine O. Munagi},
     title = {Primary classes of compositions of numbers},
     journal = {Annales mathematicae et informaticae},
     pages = {193--204},
     publisher = {mathdoc},
     volume = {41},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AMI_2013_41_a14/}
}