V. Lapin, A. Fomina, “On the global implicit criterion of a fracture propagation
under mixed load”, Sib. Zh. Ind. Mat., 22:4 (2019), 33–43; J. Appl. Industr. Math., 13:4 (2019), 653–662
O. P. Alekseenko, D. V. Esipov, D. S. Kuranakov, V. N. Lapin, S. G. Cherny, “2D step-by-step model of hydrofracturing”, Vestn. Novosib. Gos. Univ., Ser. Mat. Mekh. Inform., 11:3 (2011), 36–60