TY - BOOK ID - 126625892 TI - Proceedings of the symposium on spectral theory and differential problems AU - Oklahoma agricultural and mechanical college.. Mathematics department AU - Symposium on spectral theory and differential problems (1950 : Stillwater, Oklahoma) PY - 1951 PB - Stillwater (Okla.): Oklahoma agricultural and mechanical college. Mathematics department, DB - UniCat KW - Operators in hilbert space UR - https://www.unicat.be/uniCat?func=search&query=sysid:126625892 AB - ER -