TY  - BOOK
AU  - Hajnal A. Ed.
AU  -  Rado R. Ed.
AU  -  Sos VeraT. Ed.
TI  - Infinite and finite sets
T2  - Colloquia a mathematica societis; 10
U1  - B27jN13, L5.2   L5.3 
PY  - 1975///
CY  - Amsterdam
PB  - North-Holland         
ER  -