Ackermann, W.
Solvable Cases of the Decision Problem / W. Ackermann . - Amsterdam : North-Holland , 1968 . - VIII,114 p.; 22 cm.
Decisión
Solvable Cases of the Decision Problem / W. Ackermann . - Amsterdam : North-Holland , 1968 . - VIII,114 p.; 22 cm.
Decisión