Vladislav Basimov inserted begin_equation_left_begin_matrix__.tex into layout  almost 8 years ago

Commit id: 06eb2a9ff416609d7add79917624c0de6c53f99c

deletions | additions      

       

section_text_ref_law1_ref__.tex  figures/input_fig/input_fig.png  text_xi__k_begin_equation__.tex  begin_equation_left_begin_matrix__.tex  verb_text_xi__k_eta___.tex