@article{10_4171_dm_524,
     author = {Hermann Schulz-Baldes},
     title = {$\Bbb Z_{2}$-indices and factorization properties of odd symmetric {Fredholm} operators},
     journal = {Documenta mathematica},
     pages = {1481--1500},
     year = {2015},
     volume = {20},
     doi = {10.4171/dm/524},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/524/}
}