Geodesic

Itogi Nauki i Tekhniki. Seriya "Sovremennye Problemy Matematiki. Noveishie Dostizheniya"

Volterra series and permutation groups
p. 3-40
Morse theory and Lyusternik–Shnirel'man theory in geometric control theory
p. 41-117
Higher-order pointwise optimality conditions
p. 118-177