1. A New Approach for Solving the Undamped Helmholtz Oscillator for the Given Arbitrary Initial Conditions and Its Physical Applications. (7th October 2020) Authors: Salas S, Alvaro H.; Castillo H, Jairo E.; Mosquera P, Darin J. Other Names: Clementi Francesco Academic Editor. Journal: Mathematical problems in engineering Issue: Volume 2020(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Analytical Approximant to a Quadratically Damped Duffing Oscillator. (7th February 2022) Authors: Salas S, Alvaro H. Other Names: Abbas Syed Academic Editor. Journal: TheScientificWorldjournal Issue: Volume 2022(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Analytical Solution to the Generalized Complex Duffing Equation. (28th November 2022) Authors: Salas S, Alvaro H.; Altamirano, Gilder Cieza; Martínez H, Lorenzo J. Other Names: Khan Muhammad Altaf Academic Editor. Journal: TheScientificWorldjournal Issue: Volume 2022(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Exact Solutions for a Third-Order KdV Equation with Variable Coefficients and Forcing Term. (21st October 2009) Authors: Salas S, Alvaro H.; Gómez S, Cesar A. Other Names: He Ji Huan Academic Editor. Journal: Mathematical problems in engineering Issue: Volume 2009(2009) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Exact Solutions for a Third-Order KdV Equation with Variable Coefficients and Forcing Term. (30th December 2009) Authors: Salas S, Alvaro H.; Gómez S, Cesar A. Other Names: He Ji Huan Academic Editor. Journal: Mathematical problems in engineering Issue: Volume 2009(2009) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Perihelion Precessions of Inner Planets in Einstein's Theory and Predicted Values for the Cosmological Constant. (28th October 2022) Authors: Salas S, Alvaro H.; Castillo H, Jairo E; Martınez H, Lorenzo J. Other Names: Bellucci Stefano Academic Editor. Journal: TheScientificWorldjournal Issue: Volume 2022(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗