@incollection{MEM_2021_50_a16,
     author = {Tcvetkova, Gergana},
     title = {On symmetric positive solutions of {p-Laplacian} differential equation with variable coefficients},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {156--162},
     year = {2021},
     volume = {50},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MEM_2021_50_a16/}
}