Reduced p.p.-rings without identity.
Guo, Xiaojiang, Shum, K.P. (2006)
International Journal of Mathematics and Mathematical Sciences
Similarity:
Guo, Xiaojiang, Shum, K.P. (2006)
International Journal of Mathematics and Mathematical Sciences
Similarity:
Jan Okninski (1984)
Acta Universitatis Carolinae. Mathematica et Physica
Similarity:
Alessandra Cherubini, Ada Varisco (1988)
Czechoslovak Mathematical Journal
Similarity:
Heatherly, H.E., Courville, J.R. (1999)
Mathematica Pannonica
Similarity:
C.J. Maxon, K.C. Smith (1981)
Semigroup forum
Similarity:
Benini, A., Pellegrini, S. (1994)
Mathematica Pannonica
Similarity: