The line should be
t 2 : λ i ξ ^ m − 2 + ξ ^ m − 3 = A ξ ^ m − 2 {\displaystyle t^{2}:\quad \lambda _{i}{\hat {\xi }}^{m-2}+{\hat {\xi }}^{m-3}=A{\hat {\xi }}^{m-2}}
Return to errata.
