Andres J, Malaguti L, Pavlačková M. On second-order boundary value problems in Banach spaces: a bound sets approach. TMNA [Internet]. 2011 Apr. 23 [cited 2024 Apr. 19];37(2):303-41. Available from: https://apcz.umk.pl/TMNA/article/view/TMNA.2011.016