P. E. Brandyshev, “Spontaneous compactification of eleven-dimensional supergravity with higher-order corrections in the curvature”, Theoret. and Math. Phys., 188:1 (2016), 1099–1108
M. G. Ivanov, “Formulation of quantum mechanics with dynamical time”, Proc. Steklov Inst. Math., 285 (2014), 145–156
Z. Kh. Zakirova, “Rigid six-dimensional $h$-spaces of constant curvature”, Theoret. and Math. Phys., 158:3 (2009), 293–299
Sergei V. Ketov, Hitoshi Nishino, S.James Gates, “Self-dual supersymmetry and supergravity in Atiyah-Ward space-time”, Nuclear Physics B, 393:1-2 (1993), 149
S. D. Odyntsov, “Vilkovisky effective action in quantum gravity with matter”, Theoret. and Math. Phys., 82:1 (1990), 45–51
A. D. Popov, “Vortices, strings, and pseudoinstantons”, Theoret. and Math. Phys., 83:2 (1990), 481–491
I. L. Buchbinder, V. P. Dergalev, S. D. Odyntsov, “Vilkovisky–DeWitt effective action in multidimensional quantum gravity and antiperiodic boundary conditions”, Theoret. and Math. Phys., 80:1 (1989), 776–782
A. D. Popov, “Chiral fermions in $N=2$, $d=10$ supergravity with additional time dimensions”, Theoret. and Math. Phys., 74:2 (1988), 145–149