@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039975,
 author = {Kollár, János},
 issue = {1},
 journal = {Journal of mathematical sciences, the University of Tokyo},
 month = {Feb},
 pages = {261--278},
 title = {Examples of Vanishing Gromov–Witten–Welschinger Invariants},
 volume = {22},
 year = {2015}
}