@article{CM_1994__93_2_211_0,
     author = {Braun, Robert and Fl{\o}ystad, Gunnar},
     title = {A bound for the degree of smooth surfaces in $P^4$ not of general type},
     journal = {Compositio Mathematica},
     pages = {211--229},
     publisher = {Kluwer Academic Publishers},
     volume = {93},
     number = {2},
     year = {1994},
     mrnumber = {1287697},
     zbl = {0823.14021},
     language = {en},
     url = {http://www.numdam.org/item/CM_1994__93_2_211_0/}
}