@article{AIHPB_2002__38_2_193_0,
     author = {Kor\'anyi, Adam and MacGibbon, K. Brenda},
     title = {Asymptotically minimax estimation of order-constrained parameters and eigenfunctions of the laplacian on the ball},
     journal = {Annales de l'I.H.P. Probabilit\'es et statistiques},
     pages = {193--206},
     publisher = {Elsevier},
     volume = {38},
     number = {2},
     year = {2002},
     mrnumber = {1899110},
     zbl = {1010.62009},
     language = {en},
     url = {http://www.numdam.org/item/AIHPB_2002__38_2_193_0/}
}