@article{GDZPPN002356112, title = {Arithmetical quadratic surfaces of genus 0, I.}, journal = {Mathematica Scandinavica}, volume = {47}, year = {1980}, pages = {183-208}, zbl = {0505.14006}, url = {http://dml.mathdoc.fr/item/GDZPPN002356112} }
Brezinski, J. Arithmetical quadratic surfaces of genus 0, I.. Mathematica Scandinavica, Tome 47 (1980) pp. 183-208. http://gdmltest.u-ga.fr/item/GDZPPN002356112/