Four letters to Mieczysław Wallis

License

Works published in ETYKA are available under the Creative Commons Attribution 4.0 International Licence (CC BY 4.0), which entails acknowledgement of authorship. Under this licence, Authors keep their copyrights and agree that their works can be used again legally for any purpose, including commercial ones, without the need to obtain previous consent of the Author or publisher. The articles can be downloaded, printed, copied and disseminated; under the condition that the authorship is indicated accordingly, together with the place of original publication. The Authors preserve their copyrights to the above-mentioned works without any limitation whatsoever.