@article{10_4153_CJM_1986_044_1,
     author = {Pierre, R.},
     title = {Extremal {Properties} of {Constrained} {Tchebychev} {Polynomials}},
     journal = {Canadian journal of mathematics},
     pages = {907--924},
     year = {1986},
     volume = {38},
     number = {4},
     doi = {10.4153/CJM-1986-044-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1986-044-1/}
}