@book{14329,
	author = {Polish Academy of Sciences, Institute of Mathematica, Warszawa and Bojarski, Bogdan ; ed.},
	title = {Partial differential equations; papers contributed at the 36th semester held at Stefan Banach International MathematicalCenter, Warszawa from Sept. 17- Dec. 17, 1990},
	publisher = {The Auth.},
	year = {1992},
	series = {Banach Center Publications},
	address = {Warszawa}
}