Κανονική προβολή
Προβολή MARC
- Ackermann, W.
Ackermann, W. (Wilhelm), 1896- (Personal Name)
Machine generated authority record.
Work cat.: (GR-PaULI)111047: Ackermann, W. 1896- ((Wilhelm)) aut, Solvable cases of the decision problem, 1954
