-
1by Angelelli Ignacio
D. Reidel 1967Book -
2by Angelelli Ignacio
D. Reidel C 1967Thesis -
3Thesis
-
4by Biri︡u︠kov Boris Vladimirovich
D. Reidel cop. 1964Book -
5by Frege Gottlob
G. Olms 1964Book