@article{1102779250,
author = {Rubinstein, Zalman},
title = {Solution of the middle coefficient problem for certain classes of $C$-polynomials.},
journal = {Pacific J. Math.},
volume = {91},
number = {2},
year = {1980},
pages = { 431-437},
language = {en},
url = {http://dml.mathdoc.fr/item/1102779250}
}
Rubinstein, Zalman. Solution of the middle coefficient problem for certain classes of $C$-polynomials.. Pacific J. Math., Tome 91 (1980) no. 2, pp. 431-437. http://gdmltest.u-ga.fr/item/1102779250/