16

(p_{0} + α_{1} p_{1} + α_{2} p_{2} + α_{3} p_{3} + α_{0} m_{0} c) ψ = 0

${(\boldsymbol{p_0+\alpha_{1}p_1+\alpha_{2}p_2+\alpha_{3}p_3+\alpha_{0}}m_{0}c)\psi=0}$

Error