@conference {
	title = {Group Invariance Methods in NonLinear Filtering Of Diffusion Processes},
	author = {Baras, John S.},
	year = {1980},
	month = {12/1980},
	address = {Albuquerque, New Mexico},
	booktitle = {19th IEEE Conference On Decision and Control},
	pages = {pp. 72-79}
}
