@inbook {Sivak:2004, title = {Husserl{\textquoteright}s Mission of Sovereignty of Thought. In the Light of His "Briefwechsel"}, booktitle = {Annalecta Husserliana. Vol. LXXXIV}, year = {2004}, pages = {45-67}, publisher = {Kluwer Academic Publishers, Dordrecht}, organization = {Kluwer Academic Publishers, Dordrecht}, author = {Jozef Siv{\'a}k} }