@article{10_4064_ap_24_3_253_259,
     author = {W{\l}adys{\l}aw Wilczy\'nski},
     title = {On piecewise flat surfaces in the sense of {Toralballa}},
     journal = {Annales Polonici Mathematici},
     pages = {253--259},
     publisher = {mathdoc},
     volume = {24},
     number = {3},
     year = {1970},
     doi = {10.4064/ap-24-3-253-259},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-24-3-253-259/}
}