@article{10_4064_sm_77_1_3_16,
     author = {J. Mikusi\'nski},
     title = {Hypernumbers. {Part} {I.} {Algebra}},
     journal = {Studia Mathematica},
     pages = {3--16},
     year = {1983},
     volume = {77},
     number = {1},
     doi = {10.4064/sm-77-1-3-16},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-77-1-3-16/}
}