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QRS v.20, n.1 (27), 2012

The varieties of Bol-Moufang quasigroups defined by a single operation
R. Akhtar, A. Arp, M. Kaminski, J. Van Exel, D. Vernon, C. Washington		pp.1-10
On WIP loops
A. Ali, H. Khan		pp.11-20
Parametrization of actions of a subgroup of the modular group
M. Ashiq, Q. Mushtaq, T. Maqsood		pp.21-28
A Zariski topology for k-semirings
S. E. Atani, R. E. Atani		pp.29-36
Some enumerational results relating the numbers of latin and frequency squares of order n
F. N. Castro, G. L. Mullen, I. Rubio		pp.37-52
Some results on E-inversive semigroups
R. S. Gigon		pp.53-60
On fuzzy ordered semigroups
N. Kehayopulu, M. Tsingelis		pp.61-70
Varieties of rectangular quasigroups
A. Krapez		pp.71-80
Essential operations of clones
A. W. Marczak		pp.81-85
The spectrum of a variety of modular groupoids
R. A. R. Monzo		pp.86-96
Right k-weakly regular hemirings
M. Shabir, R. Anjum		pp.97-112
Congruences of ternary semigroups
G. Sheeja, S. Sri Bala		pp.113-124
Quotient hyper residuated lattices
O. Zahiri, R. A. Borzooei, M. Bakhshi		pp.125-138


QRS v.20, n.2 (28), 2012
QRS v.19, n.2 (26), 2011