@article{10_4153_CJM_1981_030_9,
     author = {Riemenschneider, S. D. and Sharma, A.},
     title = {Birkhoff {Interpolation} at the nth {Roots} of {Unity:} {Convergence}},
     journal = {Canadian journal of mathematics},
     pages = {362--371},
     year = {1981},
     volume = {33},
     number = {2},
     doi = {10.4153/CJM-1981-030-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1981-030-9/}
}