Jiřina, M., Jiřina jr., M. Features of Neighbors Spaces. In: VAN EMDE BOA, P., POKORNÝ, J., BIELIKOVÁ, M., ŠTULLER, J., eds. SOFSEM 2004: Theory and Practice of Computer Science. Berlin: SpringerVerlag, 2004, s. 241-248. Lecture Notes in Computer Science, 2932. ISBN 3-540-20779-1. Available: https://doi.org/10.1007/978-3-540-24618-3_20