@article{10_4064_sm147_1_5,
     author = {J. J. Guadalupe and V. I. Kolyada},
     title = {A transplantation theorem for
ultraspherical polynomials at critical index},
     journal = {Studia Mathematica},
     pages = {51--72},
     publisher = {mathdoc},
     volume = {147},
     number = {1},
     year = {2001},
     doi = {10.4064/sm147-1-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm147-1-5/}
}