Bruno Courcelle The Simultaneous Accessibility of Two Configurations of Two Equivalent DPDA's. [Citation Graph (0, 0)][DBLP] Inf. Process. Lett., 1981, v:12, n:3, pp:111-114 [Journal]

Ronald V. Book The Undecidability of a Word Problem: On a Conjecture of Strong, Maggiolo-Schettini and Rosen. [Citation Graph (0, 0)][DBLP] Inf. Process. Lett., 1981, v:12, n:3, pp:121-122 [Journal]

Alberto Bertoni, Giancarlo Mauri On Efficient Computation of the Coefficients of Some Polynomials with Applications to Some Enumeration Problems. [Citation Graph (0, 0)][DBLP] Inf. Process. Lett., 1981, v:12, n:3, pp:142-145 [Journal]