@article{MM2_1981__35_154791,
     author = {Peter Schenzel},
     title = {Regular {Sequences} in {Rees} and {Symmetric} {Algebras} {I.}},
     journal = {Manuscripta mathematica},
     pages = {173--194},
     publisher = {mathdoc},
     volume = {35},
     year = {1981},
     zbl = {0483.13008},
     url = {http://geodesic.mathdoc.fr/item/MM2_1981__35_154791/}
}