Zhang, H., Li, Y. (2013). Almost periodic solutions to dynamic equations on time scales. test, 21(1), 3-10. doi: 10.1016/j.joems.2012.10.004
Hongtao Zhang; Yongkun Li. "Almost periodic solutions to dynamic equations on time scales". test, 21, 1, 2013, 3-10. doi: 10.1016/j.joems.2012.10.004
Zhang, H., Li, Y. (2013). 'Almost periodic solutions to dynamic equations on time scales', test, 21(1), pp. 3-10. doi: 10.1016/j.joems.2012.10.004
Zhang, H., Li, Y. Almost periodic solutions to dynamic equations on time scales. test, 2013; 21(1): 3-10. doi: 10.1016/j.joems.2012.10.004