APA citáció

Fried Erich & Grätzer George A. (1990). Generalized congruences and products of lattice varieties.

Chicago Style (17th ed.) Citation

Fried Erich and Grätzer George A. Generalized Congruences and Products of Lattice Varieties. 1990.

MLA idézés

Fried Erich and Grätzer George A. Generalized Congruences and Products of Lattice Varieties. 1990.

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