V.M. Loktev and V.M. Turkowski, Temperature-carrier-concentration phase diagram of a two-dimensional doped d-wave superconductor, Low Temp. Phys. 32, (2006) [Fiz. Nizk. Temp. 32, 1055-1064, (2006)] DOI: https://doi.org/10.1063/1.2219501.