@Misc{ 
  BisSk22,
  author = { Biswas, Nirjan and Sk, Firoj },
  title = { On generalized eigenvalue problems of fractional $(p,q)$-Laplace  operator with two parameters },
  journal = { Proc. Roy. Soc. Edinburgh Sec. A: Math },
  year = { 2023 },
  pages = { 34 },
  URL = { http://cvgmt.sns.it/paper/5842/ },
  note = { cvgmt preprint}
}