TY - JOUR DA - 1968 DO - 10.1016/0040-9383(68)90027-X LA - ger IS - 2 M2 - 195 PY - 1968 SN - 0040-9383 SP - 195-203 T2 - Topology TI - Heegaard-Zerlegungen der 3-Sphäre UR - https://nbn-resolving.org/urn:nbn:de:0070-pub-17821780 Y2 - 2024-11-21T21:17:40 ER -