@article{10_4064_am_14_2_227_235,
     author = {R. Magiera},
     title = {On the inequality of {Cram\'er-Rao} type in sequential estimation theory},
     journal = {Applicationes Mathematicae},
     pages = {227--235},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {1974},
     doi = {10.4064/am-14-2-227-235},
     zbl = {0294.62105},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-14-2-227-235/}
}