@article{10_4064__26_2_201_208,
     author = {Peter Schenzel},
     title = {Castelnuovo's index of regularity and reduction numbers},
     journal = {Banach Center Publications},
     pages = {201--208},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1990},
     doi = {10.4064/-26-2-201-208},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/-26-2-201-208/}
}