TY  - BOOK
AU  - Kulikowski J L Ed.
AU  -  Michalewicz M Ed.
AU  -  Yablonskii S V Ed.
TI  - Discrete mathematics
T2  - Banach center publications; 7
U1  - Bz7, M2 
PY  - 1982///
KW  -  Mathematics essays
KW  - Mathematics
ER  -