@article{etna_vol35_pp40-56,
  author  = {I. A. Chernov},
  title   = {Convergence of a lattice numerical method for a boundary-value problem with free boundary and nonlinear Neumann boundary conditions},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {35},
  year    = {2009},
  pages   = {40--56},
}