@book{17164,
	author = {Ramachandran, B. and Rao, C. R. and Rao, C. R. ; jt. auth.},
	title = {Solutions of functional equations arising in some regression problems and a characterization of the Cauchy law},
	publisher = {ISI},
	year = {1969},
	series = {ISI Calcutta, Tech Report No. Math-Stat/35/69},
	address = {Calcutta}
}