@article{10_4153_CJM_1996_069_5,
     author = {Trnkov\'a, V. and Sichler, J.},
     title = {Disciplined {Spaces} and {Centralizer} {Clone} {Segments}},
     journal = {Canadian journal of mathematics},
     pages = {1296--1323},
     year = {1996},
     volume = {48},
     number = {6},
     doi = {10.4153/CJM-1996-069-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1996-069-5/}
}