共 17 条
[2]
[Anonymous], 2012, International Journal of Mathematics and Mathematical Sciences, DOI DOI 10.1155/2012/597074
[4]
Chandok S, 2015, APPL MATH E-NOTES, V15, P233
[7]
Kir M, 2016, EUR J PURE APPL MATH, V9, P443
[9]
La Rosa V, 2014, J NONLINEAR SCI APPL, V7, P1, DOI 10.22436/jnsa.007.01.01
[10]
Matthews S.G., 1994, P 8 SUMMER C GEN TOP, P183, DOI 10.1111/j.1749-6632.1994.tb44144.x