(with T. Signes) Remarks on (p,q,Y)-summing operators
Quaestiones Mathematicae 26,  (2003) 97-103.

(with J.L. Arregui) (p,q)-summing sequences  of operators
Quaestiones Mathematicae 26, (2003)  441-452.

(with T. Signes) Some classes of p-summing type operators
Bol. Soc. Mat. Mejicana., 9, (2003) 119-133.

(with J. L. Arregui) (p,q)-summing sequences
J. Math. Anal. Appl. 247, (2002) 812-827.

Remarks on $p$-summing multipliers
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(with  V. Tarieladze, R. Vidal)  K-convexity and duality for almost summing operators.
Georgian Math. J. 7, (2002) 245-268.

Vector-valued harmonic functions and cone absolutely summing operators
 Illinois J. of Math.   33, (1989)  292-300 .

Operators from $H^1$ into a Banach space and vector valued measures.
London Math. Soc. Lecture Note Series 140, (1989) 87-93 .

Positive p-summing operators, vector measures and tensor products
Proc. of Edingurgh Math. Soc.  31 , (1988) 179-184.

Boundary values of vector-valued harmonic functions considered as operators
Studia Math. 86 , (1987) 19-33.

Positive p-summing operators on $L^p$-spaces
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A class of operators from a Banach lattice into a Banach space.
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