@article{1102986392,
author = {Garoutte, Dennis E. and Nickel, Paul A.},
title = {A note on extremal properties characterizing weakly $\lambda$-valent principal functions.},
journal = {Pacific J. Math.},
volume = {27},
number = {3},
year = {1968},
pages = { 109-115},
language = {en},
url = {http://dml.mathdoc.fr/item/1102986392}
}
Garoutte, Dennis E.; Nickel, Paul A. A note on extremal properties characterizing weakly $\lambda$-valent principal functions.. Pacific J. Math., Tome 27 (1968) no. 3, pp. 109-115. http://gdmltest.u-ga.fr/item/1102986392/