Li, Yongkun, and Zhang, Tianwei. "Three solutions for forced Duffing-type equations with damping term.." Boundary Value Problems [electronic only] 2011 (2011): Article ID 736093, 11 p.-Article ID 736093, 11 p.. <http://eudml.org/doc/224813>.
@article{Li2011, author = {Li, Yongkun, Zhang, Tianwei}, journal = {Boundary Value Problems [electronic only]}, language = {eng}, pages = {Article ID 736093, 11 p.-Article ID 736093, 11 p.}, publisher = {Springer International Publishing}, title = {Three solutions for forced Duffing-type equations with damping term.}, url = {http://eudml.org/doc/224813}, volume = {2011}, year = {2011}, }
TY - JOUR AU - Li, Yongkun AU - Zhang, Tianwei TI - Three solutions for forced Duffing-type equations with damping term. JO - Boundary Value Problems [electronic only] PY - 2011 PB - Springer International Publishing VL - 2011 SP - Article ID 736093, 11 p. EP - Article ID 736093, 11 p. LA - eng UR - http://eudml.org/doc/224813 ER -