@conference {
	title = {Existence, Uniqueness and Tail Behavior of Solutions to Zakai Equations with Unbounded Coefficients},
	author = {Hopkins, William E., Baras, John S., Blankenship,  Gilmer L.},
	abstract = {Conditions are given to guarantee the existence and uniqueness of solutions to the Duncan-Mortensen-Zakai equation for nonlinear filtering of multivariable diffusions with unbounded coefficients. Sharp upper and lower bounds on the trail of conditional densities are also obtained. A methodology is described to treat these problems using classical p.d.e methods applied to the "robust" version of the DMZ equation. Several examples are included.},
	address = {New York, NY},
	booktitle = {Advances in Filtering and Stochastic Control, W.H. Fleming and L.G. Gorostiza},
	pages = {pp. 01-17}
}
