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Coincidence index and multiplicity. (English) Zbl 0334.47041

##### MSC:
 47J05 Equations involving nonlinear operators (general) 47A10 Spectrum, resolvent 54H25 Fixed-point and coincidence theorems (topological aspects) 55M25 Degree, winding number 47B06 Riesz operators; eigenvalue distributions; approximation numbers, $$s$$-numbers, Kolmogorov numbers, entropy numbers, etc. of operators
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##### References:
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