@article{10_4064_cm89_1_3,
     author = {Agnieszka Ka{\l}amajska},
     title = {On the condition of ${\mit \Lambda }$-convexity in some problems of
weak continuity and weak lower semicontinuity},
     journal = {Colloquium Mathematicum},
     pages = {43--59},
     publisher = {mathdoc},
     volume = {89},
     number = {1},
     year = {2001},
     doi = {10.4064/cm89-1-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm89-1-3/}
}