@article{ADM_2010_9_1_a9,
     author = {Anatolii V. Zhuchok},
     title = {Free commutative dimonoids},
     journal = {Algebra and discrete mathematics},
     pages = {109--119},
     year = {2010},
     volume = {9},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2010_9_1_a9/}
}