@article{ETNA_2015__43__a2,
     author = {Barlow,  Jesse L.},
     title = {Block {Gram-Schmidt} downdating},
     journal = {Electronic transactions on numerical analysis},
     year = {2015},
     volume = {43},
     zbl = {1312.65066},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2015__43__a2/}
}