@article{MalassTarkhanov2020,
  author    = {Ihsane Malass and Nikolaj Nikolaevič Tarkhanov},
  title     = {A perturbation of the de Rham complex},
  journal   = {Journal of Siberian Federal University : Mathematics \& Physics},
  volume    = {13},
  number    = {5},
  pages     = {519 -- 532},
  doi       = {10.17516/1997-1397-2020-13-5-519-532},
  year      = {2020},
}