@article{GT_2006_10_2_a0,
     author = {Koschorke, Ulrich},
     title = {Nonstabilized {Nielsen} coincidence invariants and {Hopf{\textendash}Ganea} homomorphisms},
     journal = {Geometry & topology},
     pages = {619--666},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {2006},
     doi = {10.2140/gt.2006.10.619},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2006.10.619/}
}