Ronald Fagin, Larry Stockmeyer
IJCV
An elementary proof is presented of an asymptotic estimate for the number (up to isomorphism) of finite relational structures, under a quite general definition of "relational structure". © 1977.
Ronald Fagin, Larry Stockmeyer
IJCV
Ronald Fagin, Joseph Y. Halpern
Journal of Philosophical Logic
Marcelo Arenas, Ronald Fagin, et al.
Logical Methods in Computer Science
C.J. Date, Ronald Fagin
SIGMOD Record