Algebraic & Geometric Topology Volume 9, issue 4 (2009)

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Amalgamations of Heegaard splittings in $3$–manifolds without some essential surfaces

Guoqiu Yang and Fengchun Lei

Algebraic & Geometric Topology 9 (2009) 2041–2054

DOI: 10.2140/agt.2009.9.2041

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