L. Peng, Ch. Cai, D. H. Xu, Y. Liu, “Ultrafast optical probes of dynamic behavior in
La$_{0.7}$Sr$_{0.3}$MnO$_3$/YBa$_2$Cu$_3$O$_{7-\delta}$/La$_{0.7}$Sr$_{0.3}$MnO$_3$ heterostructure”, Pis'ma v Zh. Èksper. Teoret. Fiz., 99:1 (2014), 30–34; JETP Letters, 99:1 (2014), 27–31
