@article{10_21136_AM_2021_0363_19,
     author = {Luyen, Duong Trong},
     title = {Nontrivial solutions to boundary value problems for semilinear $\Delta _\gamma $-differential equations},
     journal = {Applications of Mathematics},
     pages = {461--478},
     publisher = {mathdoc},
     volume = {66},
     number = {4},
     year = {2021},
     doi = {10.21136/AM.2021.0363-19},
     mrnumber = {4283300},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.2021.0363-19/}
}