TY  - BOOK
AU  - Hajnal,A.
AU  - Sos,Vera T.
TI  - Combinatorics
SN  - 044485093
PY  - 1978///
CY  - Amsterdam
PB  - North-Holland Publishing Co.
KW  - Combinatorial alaysis
KW  - Congresses
N1  - Includes bibliographies
ER  -