@article{RSMUP_1993__89__195_0,
     author = {Manetti, Marco},
     title = {Normal projective surfaces with $\rho = 1, P_{-1} \geqslant 5$},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {195--205},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {89},
     year = {1993},
     zbl = {0813.14024},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1993__89__195_0/}
}