@article{10_1017_S0017089508004412,
     author = {ULAS, MACIEJ},
     title = {RATIONAL {POINTS} {ON} {CERTAIN} {DEL} {PEZZO} {SURFACES} {OF} {DEGREE} {ONE}},
     journal = {Glasgow mathematical journal},
     pages = {557--564},
     year = {2008},
     volume = {50},
     number = {3},
     doi = {10.1017/S0017089508004412},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089508004412/}
}