${\rm C}_1$ is not algebraizable.
Lewin, R. A. ; Mikenberg, I. F. ; Schwarze, M. G.
Notre Dame J. Formal Logic, Tome 32 (1991) no. 2, p. 609-611 / Harvested from Project Euclid
Publié le : 1991-09-14
Classification:  03G99,  03B53
@article{1093635932,
     author = {Lewin, R. A. and Mikenberg, I. F. and Schwarze, M. G.},
     title = {${\rm C}\_1$ is not algebraizable.},
     journal = {Notre Dame J. Formal Logic},
     volume = {32},
     number = {2},
     year = {1991},
     pages = { 609-611},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1093635932}
}
Lewin, R. A.; Mikenberg, I. F.; Schwarze, M. G. ${\rm C}_1$ is not algebraizable.. Notre Dame J. Formal Logic, Tome 32 (1991) no. 2, pp.  609-611. http://gdmltest.u-ga.fr/item/1093635932/