Study of the effect of various factors on liberation of Nickel nanoparticles into hydrogels based on copolymers of acrylic acid β-vyniloxyethylamide with acrylic acid - Galieva, A.; Kudaibergen, G.; Tazhbaev, E.; Burkeev, M.; Zhumagalieva, T.; Kazhmuratova, A. (Chemical Bulletin of Kazakh National University, 2012)