A.M. Vinogradov
Symmetries and Conservation Laws for Differential Equations of Mathematical Physics (Translations of Mathematical Monographs)
Cohomological analysis of partial differential equations and secondary calculus
Simmetrii i zakony sokhranenii͡a uravneniĭ matematicheskoĭ fiziki
Symmetries of Partial Differential Equations
Symmetries of Partial Differential Equations
Geopoli︠a︡ i kolchedany i︠u︡zhnogo Urala
Vvedenie v geometrii͡u︡ nelineĭnykh different͡s︡ialʹnykh uravneniĭ