@article{10_4153_CJM_1972_032_4,
     author = {Kuttner, Brian and Thorpe, Brian},
     title = {On {Strong} {N\"orlund} {Summability} {Fields}},
     journal = {Canadian journal of mathematics},
     pages = {390--399},
     year = {1972},
     volume = {24},
     number = {3},
     doi = {10.4153/CJM-1972-032-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-032-4/}
}