Backlund, Ulf; Fällström, Anders:
On the algebra of $A^k$-functions.
(English).Mathematica Bohemica,
vol. 131
(2006),
issue 1,
pp. 49-61
Kolář, Martin: Cells of harmonicity.
(English).
In:
Bureš, J.
and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Physics".
Circolo Matematico di Palermo, Palermo, 1991.
pp. [189]-196
Brackx, Freddy; Pincket, Willy: Domains of biregularity in Clifford analysis.
(English).
In:
Frolík, Z., Souček, V.
and Vinárek, J. (eds.): Proceedings of the Winter School "Geometry and Physics".
Circolo Matematico di Palermo, Palermo, 1985.
pp. [21]-35
