@article{He_1991,<br/><span class="tab"></span> title={Excitons in anisotropic solids: The model of fractional-dimensional space},<br/><span class="tab"></span> volume={43},<br/><span class="tab"></span> ISSN={1095-3795},<br/><span class="tab"></span> url={http://dx.doi.org/10.1103/physrevb.43.2063},<br/><span class="tab"></span> DOI={10.1103/physrevb.43.2063},<br/><span class="tab"></span> number={3},<br/><span class="tab"></span> journal={Physical Review B},<br/><span class="tab"></span> publisher={American Physical Society (APS)},<br/><span class="tab"></span> author={He,<br/><span class="tab"></span> Xing-Fei},<br/><span class="tab"></span> year={1991},<br/><span class="tab"></span> month=jan,<br/><span class="tab"></span> pages={2063–2069} }