1
Zieschang H. Ober die Nielsensche Kiirzungsmethode in freien Produkten mit Amalgam[J]. Inventiones Mathematicae, 1970, 10(1): 4-37.
2
S M Gersten. A presentation for the special automorphism group of a free group. 1984.
3
Birman J S. An inverse function theorem for free groups[J]. Proceedings of the American Mathematical Society, 1973, 41(2): 634-638.
4
Zieschang H. Generators of the free product with amalgamation of two infinite cyclic groups[J]. Mathematische Annalen, 1977, 227(3): 195-221.
5
Day M B. Peak reduction and finite presentations for automorphism groups of right-angled Artin groups[J]. Geometry \u0026 Topology, 2008, 13(2): 817-855.
6
Collins D J, Zieschang H. Rescuing the whitehead method for free products, I: Peak reduction[J]. Mathematische Zeitschrift, 1984, 185(4): 487-504.
7
Gersten S M. On Whitehead’s algorithm[J]. Bulletin of the American Mathematical Society, 1984, 10(2): 281-284.
8
Rosenberger G. Über Darstellungen von Elementen und Untergruppen in freien Produkten[C]., 1984: 142-160.
9
Romankov V A. Automorphisms of groups[J]. Acta Applicandae Mathematicae, 1992, 29(3): 241-280.
10
Baumslag G. Groups with one defining relator[J]. Journal of The Australian Mathematical Society, 1964, 4(04): 385-392.