Bagrov, Vladislav G. and Dmitry Gitman. The Dirac Equation and its Solutions. Berlin, Boston: De Gruyter, 2013. Web. Retrieved 18 May. 2013, from http://www.degruyter.com/view/product/177851

Bagrov, V. & Gitman, D. (2013). The Dirac Equation and its Solutions. Berlin, Boston: De Gruyter. Retrieved 18 May. 2013, from http://www.degruyter.com/view/product/177851

Bagrov, Vladislav G. and Dmitry Gitman. 2013. The Dirac Equation and its Solutions. Berlin, Boston: De Gruyter. Retrieved 18 May. 2013, from http://www.degruyter.com/view/product/177851