TY - BOOK AU - Lob M H TI - Proceeding on lecture notes in mathematics T2 - Lecture Notes in Mathematics:a collection of informal reports and seminars U1 - B:(R1)p1,N68, K8 PY - 1968/// CY - Berlin PB - Springer-Verlag KW - Philosophy of maths N1 - Appendix 328-330p ER -