@book{11542,
	author = {Constantinescu, C. and Cornea, A. and Cornea, A. ; jt. auth.},
	title = {Potential theory on harmonic spaces},
	publisher = {Springer-Verlag},
	year = {1972},
	address = {Berlin},
	note = {(Die Grundlehren der mathematischen Wissenschaften in Einzeldarstellungen; v.158)}
}