@article{1183510410,
author = {Horton, C. W.},
title = {Note on the zeros of $P\_n^m \left( {\cos \theta } \right)$ and ${{dP\_n^m \left( {\cos \theta } \right)} \mathord{\left/
{\vphantom {{dP\_n^m \left( {\cos \theta } \right)} {d\theta }}} \right.
\kern-\nulldelimiterspace} {d\theta }}$ considered as functions of $n$},
journal = {Bull. Amer. Math. Soc.},
volume = {53},
number = {12},
year = {1947},
pages = { 153-155},
language = {en},
url = {http://dml.mathdoc.fr/item/1183510410}
}
Horton, C. W. Note on the zeros of $P_n^m \left( {\cos \theta } \right)$ and ${{dP_n^m \left( {\cos \theta } \right)} \mathord{\left/
{\vphantom {{dP_n^m \left( {\cos \theta } \right)} {d\theta }}} \right.
\kern-\nulldelimiterspace} {d\theta }}$ considered as functions of $n$. Bull. Amer. Math. Soc., Tome 53 (1947) no. 12, pp. 153-155. http://gdmltest.u-ga.fr/item/1183510410/