Sebastian Gann

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We present a method for the construction of solutions of certain systems of partial differential equations with polynomial and power series coefficients. For this purpose we introduce the concept of perfect differential operators. Within this framework we formulate division theorems for polynomials and power series. They in turn yield existence theorems for(More)
How do conceptual models help you in clinical practice? How can you select the best model to guide successful interventions for your critical care patients? These authors present three guidelines for selection of a conceptual model for your patient situation. Six case studies of patients requiring critical care nursing demonstrate the fit of the patient's(More)
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