@article{MZ_1973__134_171977,
     author = {Peter Lesky},
     title = {Biorthogonalit\"at von {Polynomen.}},
     journal = {Mathematische Zeitschrift},
     pages = {181--188},
     publisher = {mathdoc},
     volume = {134},
     year = {1973},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1973__134_171977/}
}