For citations:

Abdullaev B., Park C., Park K., Kang I. Metal-insulator (fermion-boson)-crossover origin of pseudogap phase of cuprates I: anomalous heat conductivity, insulator resistivity boundary, nonlinear entropy. Nanosystems: Physics, Chemistry, Mathematics. 2017;8(1):48-58. https://doi.org/10.17586/2220-8054-2017-8-1-48-58