@article{10_4064_am_14_2_195_204,
     author = {S. Trybu{\l}a},
     title = {Two problems of minimax estimation},
     journal = {Applicationes Mathematicae},
     pages = {195--204},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {1974},
     doi = {10.4064/am-14-2-195-204},
     zbl = {0309.62019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-14-2-195-204/}
}