TY - JOUR DA - 1970 LA - eng M2 - 248 PY - 1970 SN - 1088-9477 SP - 248- T2 - Notices of the American Mathematical Society TI - The imbedding of special incidence structures: preliminary report UR - https://nbn-resolving.org/urn:nbn:de:0070-bipr-11243 Y2 - 2025-03-09T15:38:05 ER -