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Centrally isotopic quasigroups, pp. 1-12

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Kirnasovsky O. U.
Some results on the up to fourth lenght balanced identities, pp. 13-34

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Kuznetsov E. A.
Incidence systems over groups that can be supplemented
up to projective planes, pp. 35-52

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Sokhatsky F. N.
Invertible elements in associates and semigroups 1, pp. 53-68

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Ursu L. A.
Symmetric n-loops with the inverse property, pp. 69-80

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Dudek W. A.
Fuzzy subquasigroups, pp. 81-98

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Izbash V. I.
On automorphisms of the cartesian squares of a groupoid, pp. 99-106