@article{05002575, title = {Yau-Zaslow formula on K3 surfaces for non-primitive classes.}, journal = {Geometry \& Topology}, volume = {5}, year = {2005}, pages = {1977-2012}, doi = {10.2140/gt.2005.9.1977}, zbl = {1088.53059}, language = {en}, url = {http://dml.mathdoc.fr/item/05002575} }
Lee, Junho; Leung, Naichung Conan. Yau-Zaslow formula on K3 surfaces for non-primitive classes.. Geometry & Topology, Tome 5 (2005) pp. 1977-2012. doi : 10.2140/gt.2005.9.1977. http://gdmltest.u-ga.fr/item/05002575/