Seyed Alireza Razavi Ciprian Doru Giurcaneanu Application of optimally distinguishable distributions to the detection of subspace signals in Gaussian noise of unknown level. 1094-1102 2013 23 Digit. Signal Process. 4 https://doi.org/10.1016/j.dsp.2013.01.014 https://www.wikidata.org/entity/Q58466632 db/journals/dsp/dsp23.html#RazaviG13