@article{CM_1993__87_1_99_0,
     author = {Simpson, Carlos},
     title = {Lefschetz theorems for the integral leaves of a holomorphic one-form},
     journal = {Compositio Mathematica},
     pages = {99--113},
     publisher = {Kluwer Academic Publishers},
     volume = {87},
     number = {1},
     year = {1993},
     mrnumber = {1219454},
     zbl = {0802.58004},
     language = {en},
     url = {http://www.numdam.org/item/CM_1993__87_1_99_0/}
}