Paternain, D., Bustince, H., Fernández, J., Beliakov, G., Mesiar, R. Some averaging functions in image reduction. In: GARCÍA-PEDRAJAS, N., HERRERA, F., BENÍTEZ, J. M., eds. Trends in Applied Intelligent Systems. Part III. Berlin: Springer, 2010, s. 399-408. Lecture Notes in Artificial Intelligence, 6098. ISBN 978-3-642-13032-8. ISSN 0302-9743. Available: http://library.utia.cas.cz/separaty/2010/E/mesiar-some averaging functions in image reduction.pdf