TY  - JOUR
AU  - Yasuo Matsushita
TI  - Fields of 2-Planes on Compact Simply-Connected Smooth 4-Manifolds.
JO  - Mathematische Annalen
PY  - 1988
SP  - 687
EP  - 690
VL  - 280
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1988__280_3_164393/
ID  - MAN_1988__280_3_164393
ER  -