1
Strongly regular graphs [E-Book] /
...Encyclopedia of Mathematics and its Applications ;...

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2
Handbook of Categorical Algebra. Volume 2. Categories and Structures [E-Book] /
3
Handbook of Categorical Algebra [E-Book]. Volume 3. Sheaf Theory /
...Encyclopedia of Mathematics and its Applications ;...

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4
Handbook of Categorical Algebra. Volume 1. Basic Category Theory [E-Book] /