Cite
MLA Citation
A. D (Andreĭ Dmitrievich) Poli︠a︡nin and V. E Nazaĭkinskiĭ. Handbook of linear partial differential equations for engineers and scientists. Boca Raton : Chapman & Hall/CRC, 2015. http://access.bl.uk/ark:/81055/vdc_100044257606.0x000001