TY - BOOK AU - Hasse, Helmut DO - 10.1515/9783111361741 ID - OAPEN ID: 33795 L1 - https://doi.org/10.1515/9783111361741 LA - German LK - https://directory.doabooks.org/handle/20.500.12854/51749 PB - De Gruyter PY - 1963 SN - 9783111361741 TI - Lineare Gleichungennull ER -