@article{10_4153_CJM_1969_137_x,
     author = {Boyd, David W.},
     title = {Indices of {Function} {Spaces} and {theirRelationship} to {Interpolation}},
     journal = {Canadian journal of mathematics},
     pages = {1245--1254},
     year = {1969},
     volume = {21},
     number = {1},
     doi = {10.4153/CJM-1969-137-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-137-x/}
}