Issledovanie ustoichivosti v sistemakh differentsialnykh uravnenii s razryvami / G. V. Strogaya. - Moskva : VTs RAN, 1992. - 63,[1] s. : il.; 20 sm. - (Soobscheniya po prikladnoi matematike. Ros. akad. nauk, VTs).
G. V. Strogaya, “Stability with respect to some of the variables of systems that decompose in the absence of perturbations”, Differ. Uravn., 26:11 (1990), 1949–1955; Differ. Equ., 26:11 (1990), 1455–1460