@article{GT_2005_9_4_a5,
     author = {Lee, Junho and Leung, Naichung Conan},
     title = {Yau{\textendash}Zaslow formula on {K3} surfaces for non-primitive classes},
     journal = {Geometry & topology},
     pages = {1977--2012},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {2005},
     doi = {10.2140/gt.2005.9.1977},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2005.9.1977/}
}