L 1 spaces fail a certain approximative property. Kamal, Aref (1998) International Journal of Mathematics and Mathematical Sciences
L p -approximation by the method of integral Meyer-König and Zeller operators Manfred Müller (1978) Studia Mathematica
L1-Approximation verallgemeinerter konvexer Funktionen durch Splines mit freien Knoten. Kurt Jetter (1978/1979) Mathematische Zeitschrift
Least deviation decomposition with respect to a pair of convex sets. Luc, D.T., Martínez-Legaz, J.E., Seeger, A. (1999) Journal of Convex Analysis
Legendre and Chebyshev Spectral Approximations of Burger's Equation. Y. Maday, A. Quarteroni (1981) Numerische Mathematik
Limit semigroups of Bernstein-Schnabl operators associated with positive projections Francesco Altomare (1989) Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
Linear abhängige Punktfunktionale bei zweidimensionalen Interpolations- und Approximationsproblemen. Hans Michael Möller (1980) Mathematische Zeitschrift
Linear approximation processes in locally convex spaces. I. Semigroups of operators and saturation. Michael Becker (1976) Aequationes mathematicae
Linear problems (with extended range) have linear optimal algorithms. Edward W. Packel (1986) Aequationes mathematicae
Lipschitz-Nikolskii Constants for the Gamma Operators of Müller. R.K.S. Rathore (1975) Mathematische Zeitschrift
Local Lipschitz continuity of the metric projection operator B. Björnestål (1979) Banach Center Publications