Geodesic
Solution of the problem of expressibility in amalgamated products of groups
Fundamentalʹnaâ i prikladnaâ matematika, Tome 15 (2009) no. 1, pp. 23-30 
I. V. Dobrynina. Solution of the problem of expressibility in amalgamated products of groups. Fundamentalʹnaâ i prikladnaâ matematika, Tome 15 (2009) no. 1, pp. 23-30. http://geodesic.mathdoc.fr/item/FPM_2009_15_1_a1/
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Voir la notice de l'article provenant de la source Math-Net.Ru

The problem of expressibility is solved in amalgamated products of groups.

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