Reducing the number of variables in Integer and Linear Programming Problems. - Djangir A. Babayev; Sahib S. Mardanov (Comput. Optim. Appl., 1994)

Sequential and simultaneous aggregation of diophantine equations. - Djangir A. Babayev; Sahib S. Mardanov (Discret. Appl. Math., 1994)

Disaggregation of Diophantine Equation with Boolean Variables. - Sahib S. Mardanov; Knyaz Sh. Mamedov (Comput. Optim. Appl., 2004)