@article{10_4064_sm_81_1_13_28,
     author = {P. Oswald},
     title = {Spline approximation in $H_{p}(T)$, p\ensuremath{\leq} 1},
     journal = {Studia Mathematica},
     pages = {13--28},
     publisher = {mathdoc},
     volume = {81},
     number = {1},
     year = {1985},
     doi = {10.4064/sm-81-1-13-28},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-81-1-13-28/}
}