Automatic Solution of a Certain Class of Combinatorial Problems. - Jacques Cohen; Joel Katcoff (Inf. Process. Lett., 1977)

Symbolic Solution of Finite-Difference Equations. - Jacques Cohen; Joel Katcoff (ACM Trans. Math. Softw., 1977)

Upper Bounds for Speedup in Parallel Parsing. - Jacques Cohen; Timothy J. Hickey; Joel Katcoff (J. ACM, 1982)