| 2015 | EUSFLAT | A note on optimality conditions to interval optimization problems. | Yurilev Chalco-Cano, Rafaela Osuna Gmez, Beatriz Hernndez-Jimnez, Heriberto Romn-Flores |
| 2015 | EUSFLAT | Transitivity of interval and fuzzy-interval extensions of interval functions. | Heriberto Romn-Flores, Yurilev Chalco-Cano |
| 2013 | IFSA | The Karush-Kuhn-Tucker optimality conditions for a class of fuzzy optimization problems using strongly generalized derivative. | Yurilev Chalco-Cano, Weldon A. Lodwick, Heriberto Romn-Flores |
| 2013 | IFSA | An Ostrowski type inequality for interval-valued functions. | Arturo Flores-Franulic, Yurilev Chalco-Cano, Heriberto Romn-Flores |
| 2013 | IFSA | A note on Gronwall type inequality for interval-valued functions. | Heriberto Romn-Flores, Yurilev Chalco-Cano, Geraldo Nunes Silva |
| 2009 | EUSFLAT | Fuzzy Differential Equation with p-Derivative. | Yurilev Chalco-Cano, Heriberto Romn-Flores, Mara-Dolores Jimnez-Gamero |
| 2009 | EUSFLAT | Chaos Induced by Turbulent and Erratic Functions. | Heriberto Romn-Flores, Yurilev Chalco-Cano, Geraldo Nunes Silva |
| 2005 | EUSFLAT | On the levels of fuzzy mappings and applications to optimization. | Yurilev Chalco-Cano, Heriberto Romn-Flores, Marko Antonio Rojas-Medar |
| 2005 | EUSFLAT | Continuity of set defuzzification methods. | Heriberto Romn-Flores, Yurilev Chalco-Cano, A. Flores-Franulic |