@article{ZNSL_1993_207_a1,
     author = {V. G. Voinov and M. S. Nikulin},
     title = {Tables of the best possible unbalsed estimates for functions of parameters of multinomial and negative multinomial distributions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {13--18},
     publisher = {mathdoc},
     volume = {207},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1993_207_a1/}
}