@article{10_4064_ap_39_1_31_36,
     author = {Cabiria Andreian Cazacu},
     title = {On the geometric definition of the quasi-conformality},
     journal = {Annales Polonici Mathematici},
     pages = {31--36},
     publisher = {mathdoc},
     volume = {39},
     number = {1},
     year = {1981},
     doi = {10.4064/ap-39-1-31-36},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-39-1-31-36/}
}