G. Ricci Cascades of Tree-Automata and Computations in Universal Algebras. [Citation Graph (0, 0)][DBLP] Mathematical Systems Theory, 1973, v:7, n:3, pp:201-218 [Journal]
P. C. Das, N. Parhi Representation for Solutions of Linear Neutral Functional Differential Equations. [Citation Graph (0, 0)][DBLP] Mathematical Systems Theory, 1973, v:7, n:3, pp:232-249 [Journal]
Zvi Artstein Trajectories and the Attainable Set of an Abstract Linear Control System. [Citation Graph (0, 0)][DBLP] Mathematical Systems Theory, 1973, v:7, n:3, pp:265-280 [Journal]