@article{Galimov2011mathematical,
author={Galimov, I.. and Urazaeva, L..},
title={Mathematical modeling of heat transfer in solar collectors including thermal relaxation time},
journal={Bulletin of Nizhnevartovsk State University},
publisher={Nizhnevartovsk State University},
year={2011},
pages={78-82},
volume={},
issue={3},
}