@book {Cernik:1980,
	title = {Te{\'o}ria poznania},
	year = {1980},
	publisher = {Pravda, Bratislava},
	organization = {Pravda, Bratislava},
	author = {V{\'a}clav {\v C}ern{\'\i}k and E. Farka{\v s}ov{\'a} and Vicen{\'\i}k, Jozef}
}
