Forestal algebras and algebraic forests (on a new class of weakly compact graphs).

Sergei Evdokimov Ilia N. Ponomarenko Gottfried Tinhofer Forestal algebras and algebraic forests (on a new class of weakly compact graphs). 149-172 2000 225 Discrete Mathematics 1-3 http://dx.doi.org/10.1016/S0012-365X(00)00152-7 db/journals/dm/dm225.html#EvdokimovPT00