@article{10_4064_ap_14_1_29_48,
     author = {M. Kucharzewski and M. Kuczma},
     title = {Determination of geometric objects of the type [2, 2, 1] with a linear homogeneous transformation formula},
     journal = {Annales Polonici Mathematici},
     pages = {29--48},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {1963},
     doi = {10.4064/ap-14-1-29-48},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-14-1-29-48/}
}