@article{10_4064_fm204_2_4,
     author = {Jind\v{r}ich Zapletal},
     title = {Preserving {P-points} in definable forcing},
     journal = {Fundamenta Mathematicae},
     pages = {145--154},
     publisher = {mathdoc},
     volume = {204},
     number = {2},
     year = {2009},
     doi = {10.4064/fm204-2-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm204-2-4/}
}