A linearization approach to solve the natural gas cash-out bilevel problem. - Vyacheslav Kalashnikov; Gerardo A. Pérez-Valdés; Nataliya I. Kalashnykova (Ann. Oper. Res., 2010)

Natural gas cash-out problem: Bilevel stochastic optimization approach. - Vyacheslav Kalashnikov; Gerardo A. Pérez-Valdés; Asgeir Tomasgard; Nataliya I. Kalashnykova (Eur. J. Oper. Res., 2010)

Natural gas bilevel cash-out problem: Convergence of a penalty function method. - Stephan Dempe; Vyacheslav Kalashnikov; Gerardo A. Pérez-Valdés; Nataliya I. Kalashnykova (Eur. J. Oper. Res., 2011)

A parallelised distributed implementation of a Branch and Fix Coordination algorithm. - Adela Pagès-Bernaus; Gerardo A. Pérez-Valdés; Asgeir Tomasgard (Eur. J. Oper. Res., 2015)