@article{ZNSL_2004_311_a12,
     author = {F. Haghighi and M. Nikulin},
     title = {A~chi-squared test for power generalized weibull family for the head-and-neck cancer censored data},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {222--236},
     publisher = {mathdoc},
     volume = {311},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2004_311_a12/}
}