@article{MM2_1995__87_4_156090,
     author = {Miyuki Koiso},
     title = {A generalization of {Steiner} {Symmetrization} for immersed surfaces and its applications.},
     journal = {Manuscripta mathematica},
     pages = {311--326},
     publisher = {mathdoc},
     volume = {87},
     number = {4},
     year = {1995},
     zbl = {0838.53002},
     url = {http://geodesic.mathdoc.fr/item/MM2_1995__87_4_156090/}
}