TY  - CHAP
LA  - eng
PY  - 1971
SN  - 0-8410-1018-8
TI  - On mappings of handlebodies and Heegaard splittings
UR  - https://nbn-resolving.org/urn:nbn:de:0070-bipr-30085
Y2  - 2026-01-16T15:09:05
ER  -