V. V. Lukyanov, A. I. Nazarov, “Solving of Vent'sel boundary-value problem for Laplace and Helmholtz equations by iterated potentials”, Zap. Nauchn. Sem. POMI, 250 (1998), 203–218; J. Math. Sci. (New York), 102:4 (2000), 4265–4274
V. V. Lukyanov, “Propagation of waves along a slowly bent piezoelectric rod”, Zap. Nauchn. Sem. POMI, 250 (1998), 191–202; J. Math. Sci. (New York), 102:4 (2000), 4258–4264
V. V. Lukyanov, A. I. Nazarov, “Correction to the paper “Solving the Venttsel problem for the Laplace and Helmholtz equations with the help of iterated potentials””, Zap. Nauchn. Sem. POMI, 324 (2005), 129–130; J. Math. Sci. (N. Y.), 138:2 (2006), 5554