@article{MM2_1989__63_3_155382,
     author = {Robert Gulliver and Friedrich Tomi},
     title = {On {False} {Branch} {Poitns} of incompressible branched immersions.},
     journal = {Manuscripta mathematica},
     pages = {293--302},
     publisher = {mathdoc},
     volume = {63},
     number = {3},
     year = {1989},
     zbl = {0701.53009},
     url = {http://geodesic.mathdoc.fr/item/MM2_1989__63_3_155382/}
}