Ercan, S. (2004). Torsion-free groups with every proper homomorphic image an N₁-group. Algebra and Discrete Mathematics.
Chicago Style (17th ed.) CitationErcan, S. "Torsion-free Groups with Every Proper Homomorphic Image an N₁-group." Algebra and Discrete Mathematics 2004.
MLA (8th ed.) CitationErcan, S. "Torsion-free Groups with Every Proper Homomorphic Image an N₁-group." Algebra and Discrete Mathematics, 2004.
Warning: These citations may not always be 100% accurate.