@article{MZ_1996__221_1_174845,
     author = {Fengchun Lei},
     title = {An general handle addition theorem.},
     journal = {Mathematische Zeitschrift},
     pages = {211--216},
     publisher = {mathdoc},
     volume = {221},
     number = {1},
     year = {1996},
     zbl = {0843.57018},
     url = {http://geodesic.mathdoc.fr/item/MZ_1996__221_1_174845/}
}