Oriented Associativity Equations and Symmetry Consistent Conjugate   Curvilinear Coordinate Nets
  This paper is devoted to description of the relationship among oriented associativity equations, symmetry consistent conjugate curvilinear coordinate nets, and the widest associated class of semi- Hamiltonian hydrodynamic-type systems. 
Maxim V. Pavlov, Artur Sergyeyev
nlin.SI