@article{MZ_1980__175_173036,
     author = {J\"urgen Herzog and Lacezar Avramov},
     title = {The {Koszul} {Algebra} of a {Codimension} 2 {Embedding.}},
     journal = {Mathematische Zeitschrift},
     pages = {249--260},
     publisher = {mathdoc},
     volume = {175},
     year = {1980},
     zbl = {0461.14014},
     url = {http://geodesic.mathdoc.fr/item/MZ_1980__175_173036/}
}