author = { Chen, Zhixiang AND Maaß, Wolfgang },

title = { On-line learning of rectangles (extended abstract) },

publisher = {dbv-Verl.},

year = {1992},

booktitle = {IIG report series ; 338},

address = { Graz },

url = { http://slubdd.de/katalog?TN_libero_mab2 }