@article{MS2_1990__66_1_167103,
     author = {Sangki Choi},
     title = {Betti numbers and the integral closure of ideals.},
     journal = {Mathematica Scandinavica},
     pages = {173--184},
     publisher = {mathdoc},
     volume = {66},
     number = {1},
     year = {1990},
     zbl = {0693.13005},
     url = {http://geodesic.mathdoc.fr/item/MS2_1990__66_1_167103/}
}