TY  - GEN
AU  - Pittie,H.V
TI  - Characteristic classes of foliations
SN  - 0273003119
PY  - 1976///
CY  - London, San Francisco
PB  - Pitman Pub
KW  - Foliations (Mathematics)
KW  - Characteristic classes
N1  - Contine bibliografie
ER  -