@article{AFST_1992_6_1_3_277_0,
     author = {Brezinski, Claude},
     title = {A unified approach to various orthogonalities},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {277--292},
     publisher = {Universit\'e Paul Sabatier},
     address = {Toulouse},
     volume = {Ser. 6, 1},
     number = {3},
     year = {1992},
     mrnumber = {1225662},
     zbl = {0773.42016},
     language = {en},
     url = {http://www.numdam.org/item/AFST_1992_6_1_3_277_0/}
}