TY  - JOUR
AU  - B. Węglorz
AU  - A. Wojciechowska
TI  - Summability of pure extensions of relational structures
JO  - Colloquium Mathematicum
PY  - 1968
SP  - 27
EP  - 35
VL  - 19
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-19-1-27-35/
DO  - 10.4064/cm-19-1-27-35
LA  - en
ID  - 10_4064_cm_19_1_27_35
ER  -